1drop table if exists t1,t2,t3,t4,t5,t6,t7; 2create table t1 ( 3c11 integer,c12 integer,c13 integer,c14 integer,c15 integer,c16 integer, 4primary key (c11) 5); 6create table t2 ( 7c21 integer,c22 integer,c23 integer,c24 integer,c25 integer,c26 integer 8); 9create table t3 ( 10c31 integer,c32 integer,c33 integer,c34 integer,c35 integer,c36 integer, 11primary key (c31) 12); 13create table t4 ( 14c41 integer,c42 integer,c43 integer,c44 integer,c45 integer,c46 integer 15); 16create table t5 ( 17c51 integer,c52 integer,c53 integer,c54 integer,c55 integer,c56 integer, 18primary key (c51) 19); 20create table t6 ( 21c61 integer,c62 integer,c63 integer,c64 integer,c65 integer,c66 integer 22); 23create table t7 ( 24c71 integer,c72 integer,c73 integer,c74 integer,c75 integer,c76 integer, 25primary key (c71) 26); 27insert into t1 values (1,2,3,4,5,6); 28insert into t1 values (2,2,3,4,5,6); 29insert into t1 values (3,2,3,4,5,6); 30insert into t2 values (1,2,3,4,5,6); 31insert into t2 values (2,2,3,4,5,6); 32insert into t2 values (3,2,3,4,5,6); 33insert into t2 values (4,2,3,4,5,6); 34insert into t2 values (5,2,3,4,5,6); 35insert into t2 values (6,2,3,4,5,6); 36insert into t3 values (1,2,3,4,5,6); 37insert into t3 values (2,2,3,4,5,6); 38insert into t3 values (3,2,3,4,5,6); 39insert into t3 values (4,2,3,4,5,6); 40insert into t3 values (5,2,3,4,5,6); 41insert into t3 values (6,2,3,4,5,6); 42insert into t3 values (7,2,3,4,5,6); 43insert into t3 values (8,2,3,4,5,6); 44insert into t3 values (9,2,3,4,5,6); 45insert into t4 values (1,2,3,4,5,6); 46insert into t4 values (2,2,3,4,5,6); 47insert into t4 values (3,2,3,4,5,6); 48insert into t4 values (4,2,3,4,5,6); 49insert into t4 values (5,2,3,4,5,6); 50insert into t4 values (6,2,3,4,5,6); 51insert into t4 values (7,2,3,4,5,6); 52insert into t4 values (8,2,3,4,5,6); 53insert into t4 values (9,2,3,4,5,6); 54insert into t4 values (10,2,3,4,5,6); 55insert into t4 values (11,2,3,4,5,6); 56insert into t4 values (12,2,3,4,5,6); 57insert into t5 values (1,2,3,4,5,6); 58insert into t5 values (2,2,3,4,5,6); 59insert into t5 values (3,2,3,4,5,6); 60insert into t5 values (4,2,3,4,5,6); 61insert into t5 values (5,2,3,4,5,6); 62insert into t5 values (6,2,3,4,5,6); 63insert into t5 values (7,2,3,4,5,6); 64insert into t5 values (8,2,3,4,5,6); 65insert into t5 values (9,2,3,4,5,6); 66insert into t5 values (10,2,3,4,5,6); 67insert into t5 values (11,2,3,4,5,6); 68insert into t5 values (12,2,3,4,5,6); 69insert into t5 values (13,2,3,4,5,6); 70insert into t5 values (14,2,3,4,5,6); 71insert into t5 values (15,2,3,4,5,6); 72insert into t6 values (1,2,3,4,5,6); 73insert into t6 values (2,2,3,4,5,6); 74insert into t6 values (3,2,3,4,5,6); 75insert into t6 values (4,2,3,4,5,6); 76insert into t6 values (5,2,3,4,5,6); 77insert into t6 values (6,2,3,4,5,6); 78insert into t6 values (7,2,3,4,5,6); 79insert into t6 values (8,2,3,4,5,6); 80insert into t6 values (9,2,3,4,5,6); 81insert into t6 values (10,2,3,4,5,6); 82insert into t6 values (11,2,3,4,5,6); 83insert into t6 values (12,2,3,4,5,6); 84insert into t6 values (13,2,3,4,5,6); 85insert into t6 values (14,2,3,4,5,6); 86insert into t6 values (15,2,3,4,5,6); 87insert into t6 values (16,2,3,4,5,6); 88insert into t6 values (17,2,3,4,5,6); 89insert into t6 values (18,2,3,4,5,6); 90insert into t7 values (1,2,3,4,5,6); 91insert into t7 values (2,2,3,4,5,6); 92insert into t7 values (3,2,3,4,5,6); 93insert into t7 values (4,2,3,4,5,6); 94insert into t7 values (5,2,3,4,5,6); 95insert into t7 values (6,2,3,4,5,6); 96insert into t7 values (7,2,3,4,5,6); 97insert into t7 values (8,2,3,4,5,6); 98insert into t7 values (9,2,3,4,5,6); 99insert into t7 values (10,2,3,4,5,6); 100insert into t7 values (11,2,3,4,5,6); 101insert into t7 values (12,2,3,4,5,6); 102insert into t7 values (13,2,3,4,5,6); 103insert into t7 values (14,2,3,4,5,6); 104insert into t7 values (15,2,3,4,5,6); 105insert into t7 values (16,2,3,4,5,6); 106insert into t7 values (17,2,3,4,5,6); 107insert into t7 values (18,2,3,4,5,6); 108insert into t7 values (19,2,3,4,5,6); 109insert into t7 values (20,2,3,4,5,6); 110insert into t7 values (21,2,3,4,5,6); 111select @@optimizer_search_depth; 112@@optimizer_search_depth 11362 114select @@optimizer_prune_level; 115@@optimizer_prune_level 1161 117set optimizer_prune_level=0; 118select @@optimizer_prune_level; 119@@optimizer_prune_level 1200 121set optimizer_search_depth=0; 122select @@optimizer_search_depth; 123@@optimizer_search_depth 1240 125EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 126id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1271 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 1281 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 1291 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 1301 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 1311 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 1321 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 1331 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 134Warnings: 135Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 136SHOW STATUS LIKE 'Last_query_cost'; 137Variable_name Value 138Last_query_cost 39.215192 139FLUSH STATUS; 140select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 141c11 1421 1432 1443 145SELECT SUM(variable_value) AS Total_handler_reads 146FROM information_schema.session_status 147WHERE variable_name LIKE 'Handler_read%'; 148Total_handler_reads 14946 150EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 151id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1521 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 1531 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 1541 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 1551 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 1561 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 1571 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 1581 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 159Warnings: 160Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 161SHOW STATUS LIKE 'Last_query_cost'; 162Variable_name Value 163Last_query_cost 39.215192 164FLUSH STATUS; 165select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 166c11 1671 1682 1693 170SELECT SUM(variable_value) AS Total_handler_reads 171FROM information_schema.session_status 172WHERE variable_name LIKE 'Handler_read%'; 173Total_handler_reads 17446 175EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 176id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1771 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 1781 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 1791 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 1801 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 1811 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 1821 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 1831 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 184Warnings: 185Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 186SHOW STATUS LIKE 'Last_query_cost'; 187Variable_name Value 188Last_query_cost 43.399979 189FLUSH STATUS; 190select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 191c11 1921 1932 1943 195SELECT SUM(variable_value) AS Total_handler_reads 196FROM information_schema.session_status 197WHERE variable_name LIKE 'Handler_read%'; 198Total_handler_reads 19946 200EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 201id select_type table partitions type possible_keys key key_len ref rows filtered Extra 2021 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 2031 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 2041 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 2051 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 2061 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 2071 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 2081 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 209Warnings: 210Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 211SHOW STATUS LIKE 'Last_query_cost'; 212Variable_name Value 213Last_query_cost 43.399979 214FLUSH STATUS; 215select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 216c11 2171 2182 2193 220SELECT SUM(variable_value) AS Total_handler_reads 221FROM information_schema.session_status 222WHERE variable_name LIKE 'Handler_read%'; 223Total_handler_reads 22446 225EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 226id select_type table partitions type possible_keys key key_len ref rows filtered Extra 2271 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 2281 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 2291 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 2301 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 2311 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 2321 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 2331 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 234Warnings: 235Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t3`.`c36` = `test`.`t7`.`c73`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t7`.`c75`) and (`test`.`t3`.`c34` = `test`.`t7`.`c75`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 236SHOW STATUS LIKE 'Last_query_cost'; 237Variable_name Value 238Last_query_cost 15.368863 239FLUSH STATUS; 240select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 241c11 242SELECT SUM(variable_value) AS Total_handler_reads 243FROM information_schema.session_status 244WHERE variable_name LIKE 'Handler_read%'; 245Total_handler_reads 24612 247EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 248id select_type table partitions type possible_keys key key_len ref rows filtered Extra 2491 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 2501 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 2511 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 2521 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 2531 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 2541 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 2551 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 256Warnings: 257Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t3`.`c36` = `test`.`t7`.`c73`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t7`.`c75`) and (`test`.`t3`.`c34` = `test`.`t7`.`c75`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 258SHOW STATUS LIKE 'Last_query_cost'; 259Variable_name Value 260Last_query_cost 15.368863 261FLUSH STATUS; 262select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 263c11 264SELECT SUM(variable_value) AS Total_handler_reads 265FROM information_schema.session_status 266WHERE variable_name LIKE 'Handler_read%'; 267Total_handler_reads 26812 269set optimizer_search_depth=1; 270select @@optimizer_search_depth; 271@@optimizer_search_depth 2721 273EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 274id select_type table partitions type possible_keys key key_len ref rows filtered Extra 2751 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 2761 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 2771 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 2781 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 2791 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 2801 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 2811 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 282Warnings: 283Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 284SHOW STATUS LIKE 'Last_query_cost'; 285Variable_name Value 286Last_query_cost 39.215192 287FLUSH STATUS; 288select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 289c11 2901 2912 2923 293SELECT SUM(variable_value) AS Total_handler_reads 294FROM information_schema.session_status 295WHERE variable_name LIKE 'Handler_read%'; 296Total_handler_reads 29746 298EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 299id select_type table partitions type possible_keys key key_len ref rows filtered Extra 3001 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 3011 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 3021 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 3031 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 3041 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 3051 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 3061 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 307Warnings: 308Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 309SHOW STATUS LIKE 'Last_query_cost'; 310Variable_name Value 311Last_query_cost 39.215192 312FLUSH STATUS; 313select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 314c11 3151 3162 3173 318SELECT SUM(variable_value) AS Total_handler_reads 319FROM information_schema.session_status 320WHERE variable_name LIKE 'Handler_read%'; 321Total_handler_reads 32246 323EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 324id select_type table partitions type possible_keys key key_len ref rows filtered Extra 3251 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 3261 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 3271 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 3281 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 3291 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 3301 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 3311 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 332Warnings: 333Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 334SHOW STATUS LIKE 'Last_query_cost'; 335Variable_name Value 336Last_query_cost 43.400259 337FLUSH STATUS; 338select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 339c11 3401 3412 3423 343SELECT SUM(variable_value) AS Total_handler_reads 344FROM information_schema.session_status 345WHERE variable_name LIKE 'Handler_read%'; 346Total_handler_reads 34746 348EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 349id select_type table partitions type possible_keys key key_len ref rows filtered Extra 3501 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 3511 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 3521 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 3531 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 3541 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 3551 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 3561 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 357Warnings: 358Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 359SHOW STATUS LIKE 'Last_query_cost'; 360Variable_name Value 361Last_query_cost 43.400259 362FLUSH STATUS; 363select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 364c11 3651 3662 3673 368SELECT SUM(variable_value) AS Total_handler_reads 369FROM information_schema.session_status 370WHERE variable_name LIKE 'Handler_read%'; 371Total_handler_reads 37246 373EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 374id select_type table partitions type possible_keys key key_len ref rows filtered Extra 3751 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 3761 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 NULL 3771 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 10.00 Using where 3781 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 3791 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 3801 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 3811 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 382Warnings: 383Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t2`.`c26` = `test`.`t7`.`c72`) and (`test`.`t2`.`c25` = `test`.`t7`.`c76`) and (`test`.`t6`.`c62` = `test`.`t7`.`c76`) and (`test`.`t2`.`c24` = `test`.`t5`.`c52`) and (`test`.`t6`.`c65` = `test`.`t5`.`c52`) and (`test`.`t2`.`c23` = `test`.`t5`.`c54`) and (`test`.`t4`.`c42` = `test`.`t5`.`c54`) and (`test`.`t2`.`c22` = `test`.`t3`.`c32`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 384SHOW STATUS LIKE 'Last_query_cost'; 385Variable_name Value 386Last_query_cost 16.505078 387FLUSH STATUS; 388select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 389c11 390SELECT SUM(variable_value) AS Total_handler_reads 391FROM information_schema.session_status 392WHERE variable_name LIKE 'Handler_read%'; 393Total_handler_reads 3946 395EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 396id select_type table partitions type possible_keys key key_len ref rows filtered Extra 3971 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 3981 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 NULL 3991 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 10.00 Using where 4001 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 4011 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 4021 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 4031 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 404Warnings: 405Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t2`.`c26` = `test`.`t7`.`c72`) and (`test`.`t2`.`c25` = `test`.`t7`.`c76`) and (`test`.`t6`.`c62` = `test`.`t7`.`c76`) and (`test`.`t2`.`c24` = `test`.`t5`.`c52`) and (`test`.`t6`.`c65` = `test`.`t5`.`c52`) and (`test`.`t2`.`c23` = `test`.`t5`.`c54`) and (`test`.`t4`.`c42` = `test`.`t5`.`c54`) and (`test`.`t2`.`c22` = `test`.`t3`.`c32`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 406SHOW STATUS LIKE 'Last_query_cost'; 407Variable_name Value 408Last_query_cost 16.505078 409FLUSH STATUS; 410select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 411c11 412SELECT SUM(variable_value) AS Total_handler_reads 413FROM information_schema.session_status 414WHERE variable_name LIKE 'Handler_read%'; 415Total_handler_reads 4166 417set optimizer_search_depth=62; 418select @@optimizer_search_depth; 419@@optimizer_search_depth 42062 421EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 422id select_type table partitions type possible_keys key key_len ref rows filtered Extra 4231 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 4241 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 4251 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 4261 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 4271 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 4281 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 4291 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 430Warnings: 431Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 432SHOW STATUS LIKE 'Last_query_cost'; 433Variable_name Value 434Last_query_cost 39.215192 435FLUSH STATUS; 436select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 437c11 4381 4392 4403 441SELECT SUM(variable_value) AS Total_handler_reads 442FROM information_schema.session_status 443WHERE variable_name LIKE 'Handler_read%'; 444Total_handler_reads 44546 446EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 447id select_type table partitions type possible_keys key key_len ref rows filtered Extra 4481 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 4491 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 4501 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 4511 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 4521 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 4531 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 4541 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 455Warnings: 456Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 457SHOW STATUS LIKE 'Last_query_cost'; 458Variable_name Value 459Last_query_cost 39.215192 460FLUSH STATUS; 461select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 462c11 4631 4642 4653 466SELECT SUM(variable_value) AS Total_handler_reads 467FROM information_schema.session_status 468WHERE variable_name LIKE 'Handler_read%'; 469Total_handler_reads 47046 471EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 472id select_type table partitions type possible_keys key key_len ref rows filtered Extra 4731 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 4741 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 4751 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 4761 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 4771 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 4781 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 4791 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 480Warnings: 481Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 482SHOW STATUS LIKE 'Last_query_cost'; 483Variable_name Value 484Last_query_cost 43.399979 485FLUSH STATUS; 486select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 487c11 4881 4892 4903 491SELECT SUM(variable_value) AS Total_handler_reads 492FROM information_schema.session_status 493WHERE variable_name LIKE 'Handler_read%'; 494Total_handler_reads 49546 496EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 497id select_type table partitions type possible_keys key key_len ref rows filtered Extra 4981 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 4991 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 5001 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 5011 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 5021 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 5031 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 5041 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 505Warnings: 506Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 507SHOW STATUS LIKE 'Last_query_cost'; 508Variable_name Value 509Last_query_cost 43.399979 510FLUSH STATUS; 511select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 512c11 5131 5142 5153 516SELECT SUM(variable_value) AS Total_handler_reads 517FROM information_schema.session_status 518WHERE variable_name LIKE 'Handler_read%'; 519Total_handler_reads 52046 521EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 522id select_type table partitions type possible_keys key key_len ref rows filtered Extra 5231 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 5241 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 5251 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 5261 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 5271 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 5281 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 5291 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 530Warnings: 531Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t3`.`c36` = `test`.`t7`.`c73`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t7`.`c75`) and (`test`.`t3`.`c34` = `test`.`t7`.`c75`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 532SHOW STATUS LIKE 'Last_query_cost'; 533Variable_name Value 534Last_query_cost 15.368863 535FLUSH STATUS; 536select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 537c11 538SELECT SUM(variable_value) AS Total_handler_reads 539FROM information_schema.session_status 540WHERE variable_name LIKE 'Handler_read%'; 541Total_handler_reads 54212 543EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 544id select_type table partitions type possible_keys key key_len ref rows filtered Extra 5451 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 5461 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 5471 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 5481 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 5491 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 5501 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 5511 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 552Warnings: 553Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t3`.`c36` = `test`.`t7`.`c73`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t7`.`c75`) and (`test`.`t3`.`c34` = `test`.`t7`.`c75`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 554SHOW STATUS LIKE 'Last_query_cost'; 555Variable_name Value 556Last_query_cost 15.368863 557FLUSH STATUS; 558select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 559c11 560SELECT SUM(variable_value) AS Total_handler_reads 561FROM information_schema.session_status 562WHERE variable_name LIKE 'Handler_read%'; 563Total_handler_reads 56412 565set optimizer_prune_level=1; 566select @@optimizer_prune_level; 567@@optimizer_prune_level 5681 569set optimizer_search_depth=0; 570select @@optimizer_search_depth; 571@@optimizer_search_depth 5720 573EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 574id select_type table partitions type possible_keys key key_len ref rows filtered Extra 5751 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 5761 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 5771 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 5781 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 5791 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 5801 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 5811 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 582Warnings: 583Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 584SHOW STATUS LIKE 'Last_query_cost'; 585Variable_name Value 586Last_query_cost 39.215192 587FLUSH STATUS; 588select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 589c11 5901 5912 5923 593SELECT SUM(variable_value) AS Total_handler_reads 594FROM information_schema.session_status 595WHERE variable_name LIKE 'Handler_read%'; 596Total_handler_reads 59746 598EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 599id select_type table partitions type possible_keys key key_len ref rows filtered Extra 6001 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 6011 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 6021 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 6031 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 6041 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 6051 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 6061 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 607Warnings: 608Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 609SHOW STATUS LIKE 'Last_query_cost'; 610Variable_name Value 611Last_query_cost 39.215192 612FLUSH STATUS; 613select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 614c11 6151 6162 6173 618SELECT SUM(variable_value) AS Total_handler_reads 619FROM information_schema.session_status 620WHERE variable_name LIKE 'Handler_read%'; 621Total_handler_reads 62246 623EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 624id select_type table partitions type possible_keys key key_len ref rows filtered Extra 6251 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 6261 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 6271 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 6281 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 6291 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 6301 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 6311 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 632Warnings: 633Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 634SHOW STATUS LIKE 'Last_query_cost'; 635Variable_name Value 636Last_query_cost 43.399979 637FLUSH STATUS; 638select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 639c11 6401 6412 6423 643SELECT SUM(variable_value) AS Total_handler_reads 644FROM information_schema.session_status 645WHERE variable_name LIKE 'Handler_read%'; 646Total_handler_reads 64746 648EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 649id select_type table partitions type possible_keys key key_len ref rows filtered Extra 6501 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 6511 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 6521 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 6531 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 6541 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 6551 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 6561 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 657Warnings: 658Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 659SHOW STATUS LIKE 'Last_query_cost'; 660Variable_name Value 661Last_query_cost 43.399979 662FLUSH STATUS; 663select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 664c11 6651 6662 6673 668SELECT SUM(variable_value) AS Total_handler_reads 669FROM information_schema.session_status 670WHERE variable_name LIKE 'Handler_read%'; 671Total_handler_reads 67246 673EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 674id select_type table partitions type possible_keys key key_len ref rows filtered Extra 6751 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 6761 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 6771 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 6781 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 6791 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 6801 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 6811 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 682Warnings: 683Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 684SHOW STATUS LIKE 'Last_query_cost'; 685Variable_name Value 686Last_query_cost 15.512271 687FLUSH STATUS; 688select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 689c11 690SELECT SUM(variable_value) AS Total_handler_reads 691FROM information_schema.session_status 692WHERE variable_name LIKE 'Handler_read%'; 693Total_handler_reads 69413 695EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 696id select_type table partitions type possible_keys key key_len ref rows filtered Extra 6971 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 6981 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 6991 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 7001 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 7011 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 7021 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 7031 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 704Warnings: 705Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 706SHOW STATUS LIKE 'Last_query_cost'; 707Variable_name Value 708Last_query_cost 15.512271 709FLUSH STATUS; 710select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 711c11 712SELECT SUM(variable_value) AS Total_handler_reads 713FROM information_schema.session_status 714WHERE variable_name LIKE 'Handler_read%'; 715Total_handler_reads 71613 717set optimizer_search_depth=1; 718select @@optimizer_search_depth; 719@@optimizer_search_depth 7201 721EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 722id select_type table partitions type possible_keys key key_len ref rows filtered Extra 7231 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 7241 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 7251 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 7261 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 7271 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 7281 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 7291 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 730Warnings: 731Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 732SHOW STATUS LIKE 'Last_query_cost'; 733Variable_name Value 734Last_query_cost 39.215192 735FLUSH STATUS; 736select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 737c11 7381 7392 7403 741SELECT SUM(variable_value) AS Total_handler_reads 742FROM information_schema.session_status 743WHERE variable_name LIKE 'Handler_read%'; 744Total_handler_reads 74546 746EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 747id select_type table partitions type possible_keys key key_len ref rows filtered Extra 7481 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 7491 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 7501 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 7511 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 7521 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 7531 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 7541 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 755Warnings: 756Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 757SHOW STATUS LIKE 'Last_query_cost'; 758Variable_name Value 759Last_query_cost 39.215192 760FLUSH STATUS; 761select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 762c11 7631 7642 7653 766SELECT SUM(variable_value) AS Total_handler_reads 767FROM information_schema.session_status 768WHERE variable_name LIKE 'Handler_read%'; 769Total_handler_reads 77046 771EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 772id select_type table partitions type possible_keys key key_len ref rows filtered Extra 7731 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 7741 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 7751 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 7761 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 7771 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 7781 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 7791 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 780Warnings: 781Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 782SHOW STATUS LIKE 'Last_query_cost'; 783Variable_name Value 784Last_query_cost 43.400259 785FLUSH STATUS; 786select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 787c11 7881 7892 7903 791SELECT SUM(variable_value) AS Total_handler_reads 792FROM information_schema.session_status 793WHERE variable_name LIKE 'Handler_read%'; 794Total_handler_reads 79546 796EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 797id select_type table partitions type possible_keys key key_len ref rows filtered Extra 7981 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 7991 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 8001 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 8011 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 8021 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 8031 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 8041 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 805Warnings: 806Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 807SHOW STATUS LIKE 'Last_query_cost'; 808Variable_name Value 809Last_query_cost 43.400259 810FLUSH STATUS; 811select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 812c11 8131 8142 8153 816SELECT SUM(variable_value) AS Total_handler_reads 817FROM information_schema.session_status 818WHERE variable_name LIKE 'Handler_read%'; 819Total_handler_reads 82046 821EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 822id select_type table partitions type possible_keys key key_len ref rows filtered Extra 8231 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 8241 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 NULL 8251 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 10.00 Using where 8261 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 8271 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 8281 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 8291 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 830Warnings: 831Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t2`.`c26` = `test`.`t7`.`c72`) and (`test`.`t2`.`c25` = `test`.`t7`.`c76`) and (`test`.`t6`.`c62` = `test`.`t7`.`c76`) and (`test`.`t2`.`c24` = `test`.`t5`.`c52`) and (`test`.`t6`.`c65` = `test`.`t5`.`c52`) and (`test`.`t2`.`c23` = `test`.`t5`.`c54`) and (`test`.`t4`.`c42` = `test`.`t5`.`c54`) and (`test`.`t2`.`c22` = `test`.`t3`.`c32`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 832SHOW STATUS LIKE 'Last_query_cost'; 833Variable_name Value 834Last_query_cost 16.505078 835FLUSH STATUS; 836select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 837c11 838SELECT SUM(variable_value) AS Total_handler_reads 839FROM information_schema.session_status 840WHERE variable_name LIKE 'Handler_read%'; 841Total_handler_reads 8426 843EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 844id select_type table partitions type possible_keys key key_len ref rows filtered Extra 8451 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 8461 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 NULL 8471 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 10.00 Using where 8481 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 8491 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 8501 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 8511 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 852Warnings: 853Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t2`.`c26` = `test`.`t7`.`c72`) and (`test`.`t2`.`c25` = `test`.`t7`.`c76`) and (`test`.`t6`.`c62` = `test`.`t7`.`c76`) and (`test`.`t2`.`c24` = `test`.`t5`.`c52`) and (`test`.`t6`.`c65` = `test`.`t5`.`c52`) and (`test`.`t2`.`c23` = `test`.`t5`.`c54`) and (`test`.`t4`.`c42` = `test`.`t5`.`c54`) and (`test`.`t2`.`c22` = `test`.`t3`.`c32`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 854SHOW STATUS LIKE 'Last_query_cost'; 855Variable_name Value 856Last_query_cost 16.505078 857FLUSH STATUS; 858select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 859c11 860SELECT SUM(variable_value) AS Total_handler_reads 861FROM information_schema.session_status 862WHERE variable_name LIKE 'Handler_read%'; 863Total_handler_reads 8646 865set optimizer_search_depth=62; 866select @@optimizer_search_depth; 867@@optimizer_search_depth 86862 869EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 870id select_type table partitions type possible_keys key key_len ref rows filtered Extra 8711 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 8721 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 8731 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 8741 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 8751 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 8761 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 8771 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 878Warnings: 879Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 880SHOW STATUS LIKE 'Last_query_cost'; 881Variable_name Value 882Last_query_cost 39.215192 883FLUSH STATUS; 884select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 885c11 8861 8872 8883 889SELECT SUM(variable_value) AS Total_handler_reads 890FROM information_schema.session_status 891WHERE variable_name LIKE 'Handler_read%'; 892Total_handler_reads 89346 894EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 895id select_type table partitions type possible_keys key key_len ref rows filtered Extra 8961 SIMPLE t1 NULL ALL NULL NULL NULL NULL 3 100.00 NULL 8971 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 8981 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t2.c22 1 100.00 NULL 8991 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 9001 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t4.c42 1 100.00 NULL 9011 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 9021 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 100.00 Using index 903Warnings: 904Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t6`.`c62`) and (`test`.`t6`.`c61` = `test`.`t5`.`c52`) and (`test`.`t5`.`c51` = `test`.`t4`.`c42`) and (`test`.`t4`.`c41` = `test`.`t3`.`c32`) and (`test`.`t3`.`c31` = `test`.`t2`.`c22`) and (`test`.`t2`.`c21` = `test`.`t1`.`c12`)) 905SHOW STATUS LIKE 'Last_query_cost'; 906Variable_name Value 907Last_query_cost 39.215192 908FLUSH STATUS; 909select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71; 910c11 9111 9122 9133 914SELECT SUM(variable_value) AS Total_handler_reads 915FROM information_schema.session_status 916WHERE variable_name LIKE 'Handler_read%'; 917Total_handler_reads 91846 919EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 920id select_type table partitions type possible_keys key key_len ref rows filtered Extra 9211 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 9221 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 9231 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 9241 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 9251 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 9261 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 9271 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 928Warnings: 929Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 930SHOW STATUS LIKE 'Last_query_cost'; 931Variable_name Value 932Last_query_cost 43.399979 933FLUSH STATUS; 934select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 935c11 9361 9372 9383 939SELECT SUM(variable_value) AS Total_handler_reads 940FROM information_schema.session_status 941WHERE variable_name LIKE 'Handler_read%'; 942Total_handler_reads 94346 944EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 945id select_type table partitions type possible_keys key key_len ref rows filtered Extra 9461 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 100.00 Using where 9471 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 16.67 Using where; Using join buffer (Block Nested Loop) 9481 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 100.00 Using index 9491 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 100.00 Using index 9501 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 100.00 Using index 9511 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 10.00 Using where; Using join buffer (Block Nested Loop) 9521 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 10.00 Using where; Using join buffer (Block Nested Loop) 953Warnings: 954Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t2`.`c21` = `test`.`t1`.`c11`)) 955SHOW STATUS LIKE 'Last_query_cost'; 956Variable_name Value 957Last_query_cost 43.399979 958FLUSH STATUS; 959select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71; 960c11 9611 9622 9633 964SELECT SUM(variable_value) AS Total_handler_reads 965FROM information_schema.session_status 966WHERE variable_name LIKE 'Handler_read%'; 967Total_handler_reads 96846 969EXPLAIN select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 970id select_type table partitions type possible_keys key key_len ref rows filtered Extra 9711 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 9721 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 9731 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 9741 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 9751 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 9761 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 9771 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 978Warnings: 979Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t1` join `test`.`t2` join `test`.`t3` join `test`.`t4` join `test`.`t5` join `test`.`t6` join `test`.`t7` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 980SHOW STATUS LIKE 'Last_query_cost'; 981Variable_name Value 982Last_query_cost 15.512271 983FLUSH STATUS; 984select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 985c11 986SELECT SUM(variable_value) AS Total_handler_reads 987FROM information_schema.session_status 988WHERE variable_name LIKE 'Handler_read%'; 989Total_handler_reads 99013 991EXPLAIN select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 992id select_type table partitions type possible_keys key key_len ref rows filtered Extra 9931 SIMPLE t2 NULL ALL NULL NULL NULL NULL 6 100.00 NULL 9941 SIMPLE t1 NULL ALL PRIMARY NULL NULL NULL 3 33.33 Using where; Using join buffer (Block Nested Loop) 9951 SIMPLE t3 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 11.11 Using where 9961 SIMPLE t5 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 6.67 Using where 9971 SIMPLE t7 NULL eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 5.00 Using where 9981 SIMPLE t4 NULL ALL NULL NULL NULL NULL 12 8.33 Using where; Using join buffer (Block Nested Loop) 9991 SIMPLE t6 NULL ALL NULL NULL NULL NULL 18 5.56 Using where; Using join buffer (Block Nested Loop) 1000Warnings: 1001Note 1003 /* select#1 */ select `test`.`t1`.`c11` AS `c11` from `test`.`t7` join `test`.`t6` join `test`.`t5` join `test`.`t4` join `test`.`t3` join `test`.`t2` join `test`.`t1` where ((`test`.`t4`.`c44` = `test`.`t7`.`c74`) and (`test`.`t7`.`c73` = `test`.`t3`.`c36`) and (`test`.`t6`.`c63` = `test`.`t3`.`c35`) and (`test`.`t5`.`c53` = `test`.`t3`.`c34`) and (`test`.`t7`.`c75` = `test`.`t3`.`c34`) and (`test`.`t4`.`c43` = `test`.`t3`.`c33`) and (`test`.`t6`.`c64` = `test`.`t3`.`c33`) and (`test`.`t7`.`c72` = `test`.`t2`.`c26`) and (`test`.`t7`.`c76` = `test`.`t2`.`c25`) and (`test`.`t6`.`c62` = `test`.`t2`.`c25`) and (`test`.`t5`.`c52` = `test`.`t2`.`c24`) and (`test`.`t6`.`c65` = `test`.`t2`.`c24`) and (`test`.`t5`.`c54` = `test`.`t2`.`c23`) and (`test`.`t4`.`c42` = `test`.`t2`.`c23`) and (`test`.`t3`.`c32` = `test`.`t2`.`c22`) and (`test`.`t7`.`c71` = `test`.`t1`.`c16`) and (`test`.`t6`.`c61` = `test`.`t1`.`c15`) and (`test`.`t5`.`c51` = `test`.`t1`.`c14`) and (`test`.`t4`.`c41` = `test`.`t1`.`c13`) and (`test`.`t3`.`c31` = `test`.`t1`.`c12`) and (`test`.`t1`.`c11` = `test`.`t2`.`c21`)) 1002SHOW STATUS LIKE 'Last_query_cost'; 1003Variable_name Value 1004Last_query_cost 15.512271 1005FLUSH STATUS; 1006select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76; 1007c11 1008SELECT SUM(variable_value) AS Total_handler_reads 1009FROM information_schema.session_status 1010WHERE variable_name LIKE 'Handler_read%'; 1011Total_handler_reads 101213 1013drop table t1,t2,t3,t4,t5,t6,t7; 1014CREATE TABLE t1 (a int, b int, d int, i int); 1015INSERT INTO t1 VALUES (1,1,1,1); 1016CREATE TABLE t2 (b int, c int, j int); 1017INSERT INTO t2 VALUES (1,1,1); 1018CREATE TABLE t2_1 (j int); 1019INSERT INTO t2_1 VALUES (1); 1020CREATE TABLE t3 (c int, f int); 1021INSERT INTO t3 VALUES (1,1); 1022CREATE TABLE t3_1 (f int); 1023INSERT INTO t3_1 VALUES (1); 1024CREATE TABLE t4 (d int, e int, k int); 1025INSERT INTO t4 VALUES (1,1,1); 1026CREATE TABLE t4_1 (k int); 1027INSERT INTO t4_1 VALUES (1); 1028CREATE TABLE t5 (g int, d int, h int, l int); 1029INSERT INTO t5 VALUES (1,1,1,1); 1030CREATE TABLE t5_1 (l int); 1031INSERT INTO t5_1 VALUES (1); 1032SET optimizer_search_depth = 3; 1033SELECT 1 1034FROM t1 1035LEFT JOIN ( 1036t2 JOIN t3 ON t3.c = t2.c 1037) ON t2.b = t1.b 1038LEFT JOIN ( 1039t4 JOIN t5 ON t5.d = t4.d 1040) ON t4.d = t1.d 1041; 10421 10431 1044SELECT 1 1045FROM t1 1046LEFT JOIN ( 1047t2 LEFT JOIN (t3 JOIN t3_1 ON t3.f = t3_1.f) ON t3.c = t2.c 1048) ON t2.b = t1.b 1049LEFT JOIN ( 1050t4 JOIN t5 ON t5.d = t4.d 1051) ON t4.d = t1.d 1052; 10531 10541 1055SELECT 1 1056FROM t1 1057LEFT JOIN ( 1058(t2 JOIN t2_1 ON t2.j = t2_1.j) JOIN t3 ON t3.c = t2.c 1059) ON t2.b = t1.b 1060LEFT JOIN ( 1061t4 JOIN t5 ON t5.d = t4.d 1062) ON t4.d = t1.d 1063; 10641 10651 1066SELECT 1 1067FROM t1 1068LEFT JOIN ( 1069t2 JOIN t3 ON t3.c = t2.c 1070) ON t2.b = t1.b 1071LEFT JOIN ( 1072(t4 JOIN t4_1 ON t4.k = t4_1.k) LEFT JOIN t5 ON t5.d = t4.d 1073) ON t4.d = t1.d 1074; 10751 10761 1077SELECT 1 1078FROM t1 1079LEFT JOIN ( 1080t2 JOIN t3 ON t3.c = t2.c 1081) ON t2.b = t1.b 1082LEFT JOIN ( 1083t4 LEFT JOIN (t5 JOIN t5_1 ON t5.l = t5_1.l) ON t5.d = t4.d 1084) ON t4.d = t1.d 1085; 10861 10871 1088SET optimizer_search_depth = DEFAULT; 1089DROP TABLE t1,t2,t2_1,t3,t3_1,t4,t4_1,t5,t5_1; 1090End of 5.0 tests 1091# 1092# Bug #59326: Greedy optimizer produce stupid query execution plans. 1093# 1094CREATE TABLE t10( 1095K INT NOT NULL AUTO_INCREMENT, 1096I INT, 1097PRIMARY KEY(K) 1098); 1099INSERT INTO t10(I) VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(0); 1100CREATE TABLE t100 LIKE t10; 1101INSERT INTO t100(I) 1102SELECT X.I FROM t10 AS X,t10 AS Y; 1103CREATE TABLE t10000 LIKE t10; 1104INSERT INTO t10000(I) 1105SELECT X.I FROM t100 AS X, t100 AS Y; 1106EXPLAIN SELECT * FROM t10,t100,t10000; 1107id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11081 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11091 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11101 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1111Warnings: 1112Note 1003 /* select#1 */ select `test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I`,`test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I`,`test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I` from `test`.`t10` join `test`.`t100` join `test`.`t10000` 1113EXPLAIN SELECT * FROM t10,t10000,t100; 1114id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11151 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11161 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11171 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1118Warnings: 1119Note 1003 /* select#1 */ select `test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I`,`test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I`,`test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I` from `test`.`t10` join `test`.`t10000` join `test`.`t100` 1120EXPLAIN SELECT * FROM t100,t10,t10000; 1121id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11221 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11231 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11241 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1125Warnings: 1126Note 1003 /* select#1 */ select `test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I`,`test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I`,`test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I` from `test`.`t100` join `test`.`t10` join `test`.`t10000` 1127EXPLAIN SELECT * FROM t100,t10000,t10; 1128id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11291 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11301 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11311 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1132Warnings: 1133Note 1003 /* select#1 */ select `test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I`,`test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I`,`test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I` from `test`.`t100` join `test`.`t10000` join `test`.`t10` 1134EXPLAIN SELECT * FROM t10000,t10,t100; 1135id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11361 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11371 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11381 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1139Warnings: 1140Note 1003 /* select#1 */ select `test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I`,`test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I`,`test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I` from `test`.`t10000` join `test`.`t10` join `test`.`t100` 1141EXPLAIN SELECT * FROM t10000,t100,t10; 1142id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11431 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 NULL 11441 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 100.00 Using join buffer (Block Nested Loop) 11451 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 100.00 Using join buffer (Block Nested Loop) 1146Warnings: 1147Note 1003 /* select#1 */ select `test`.`t10000`.`K` AS `K`,`test`.`t10000`.`I` AS `I`,`test`.`t100`.`K` AS `K`,`test`.`t100`.`I` AS `I`,`test`.`t10`.`K` AS `K`,`test`.`t10`.`I` AS `I` from `test`.`t10000` join `test`.`t100` join `test`.`t10` 1148flush status; 1149EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1150WHERE t100.K=t10.I 1151AND t10000.K=t10.I; 1152id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11531 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 11541 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 11551 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 1156Warnings: 1157Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`K` = `test`.`t10`.`I`)) 1158SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1159WHERE t100.K=t10.I 1160AND t10000.K=t10.I; 1161COUNT(*) 11629 1163flush status; 1164EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1165WHERE t100.K=t10.I 1166AND t10000.K=t10.I; 1167id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11681 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 11691 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 11701 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 1171Warnings: 1172Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1173SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1174WHERE t100.K=t10.I 1175AND t10000.K=t10.I; 1176COUNT(*) 11779 1178flush status; 1179EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1180WHERE t100.K=t10.I 1181AND t10000.K=t10.I; 1182id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11831 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 11841 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 11851 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 1186Warnings: 1187Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`K` = `test`.`t10`.`I`)) 1188SELECT COUNT(*) FROM t10,t100,t10000 1189WHERE t100.K=t10.I 1190AND t10000.K=t10.I; 1191COUNT(*) 11929 1193flush status; 1194EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1195WHERE t100.K=t10.I 1196AND t10000.K=t10.I; 1197id select_type table partitions type possible_keys key key_len ref rows filtered Extra 11981 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 11991 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12001 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 1201Warnings: 1202Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`K` = `test`.`t10`.`I`)) 1203SELECT COUNT(*) FROM t10,t10000,t100 1204WHERE t100.K=t10.I 1205AND t10000.K=t10.I; 1206COUNT(*) 12079 1208flush status; 1209EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1210WHERE t100.K=t10.I 1211AND t10000.K=t10.K; 1212id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12131 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12141 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12151 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1216Warnings: 1217Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1218SELECT COUNT(*) FROM t10,t100,t10000 1219WHERE t100.K=t10.I 1220AND t10000.K=t10.K; 1221COUNT(*) 12229 1223flush status; 1224EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1225WHERE t100.K=t10.I 1226AND t10000.K=t10.K; 1227id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12281 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12291 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12301 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1231Warnings: 1232Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1233SELECT COUNT(*) FROM t10,t10000,t100 1234WHERE t100.K=t10.I 1235AND t10000.K=t10.K; 1236COUNT(*) 12379 1238flush status; 1239EXPLAIN SELECT COUNT(*) FROM t100,t10,t10000 1240WHERE t100.K=t10.I 1241AND t10000.K=t10.K; 1242id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12431 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12441 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12451 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1246Warnings: 1247Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t100` join `test`.`t10` join `test`.`t10000` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1248SELECT COUNT(*) FROM t100,t10,t10000 1249WHERE t100.K=t10.I 1250AND t10000.K=t10.K; 1251COUNT(*) 12529 1253flush status; 1254EXPLAIN SELECT COUNT(*) FROM t100,t10000,t10 1255WHERE t100.K=t10.I 1256AND t10000.K=t10.K; 1257id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12581 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12591 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12601 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1261Warnings: 1262Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t100` join `test`.`t10000` join `test`.`t10` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1263SELECT COUNT(*) FROM t100,t10000,t10 1264WHERE t100.K=t10.I 1265AND t10000.K=t10.K; 1266COUNT(*) 12679 1268flush status; 1269EXPLAIN SELECT COUNT(*) FROM t10000,t10,t100 1270WHERE t100.K=t10.I 1271AND t10000.K=t10.K; 1272id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12731 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12741 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12751 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1276Warnings: 1277Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10000` join `test`.`t10` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1278SELECT COUNT(*) FROM t10000,t10,t100 1279WHERE t100.K=t10.I 1280AND t10000.K=t10.K; 1281COUNT(*) 12829 1283flush status; 1284EXPLAIN SELECT COUNT(*) FROM t10000,t100,t10 1285WHERE t100.K=t10.I 1286AND t10000.K=t10.K; 1287id select_type table partitions type possible_keys key key_len ref rows filtered Extra 12881 SIMPLE t10 NULL ALL PRIMARY NULL NULL NULL 10 100.00 Using where 12891 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 12901 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.K 1 100.00 Using index 1291Warnings: 1292Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10000` join `test`.`t100` join `test`.`t10` where ((`test`.`t10000`.`K` = `test`.`t10`.`K`) and (`test`.`t100`.`K` = `test`.`t10`.`I`)) 1293SELECT COUNT(*) FROM t10000,t100,t10 1294WHERE t100.K=t10.I 1295AND t10000.K=t10.K; 1296COUNT(*) 12979 1298flush status; 1299EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1300WHERE t100.K=t10.I 1301AND t10000.I=t10.I; 1302id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13031 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13041 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13051 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1306Warnings: 1307Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1308SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1309WHERE t100.K=t10.I 1310AND t10000.I=t10.I; 1311COUNT(*) 13129000 1313flush status; 1314EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1315WHERE t100.K=t10.I 1316AND t10000.I=t10.I; 1317id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13181 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13191 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13201 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1321Warnings: 1322Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1323SELECT COUNT(*) FROM t10,t100,t10000 1324WHERE t100.K=t10.I 1325AND t10000.I=t10.I; 1326COUNT(*) 13279000 1328flush status; 1329EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1330WHERE t100.K=t10.I 1331AND t10000.I=t10.I; 1332id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13331 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13341 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13351 SIMPLE t10000 NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1336Warnings: 1337Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1338SELECT COUNT(*) FROM t10,t10000,t100 1339WHERE t100.K=t10.I 1340AND t10000.I=t10.I; 1341COUNT(*) 13429000 1343flush status; 1344EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1345WHERE t100.I=t10.I 1346AND t10000.K=t10.I; 1347id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13481 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13491 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13501 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1351Warnings: 1352Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1353SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1354WHERE t100.I=t10.I 1355AND t10000.K=t10.I; 1356COUNT(*) 135790 1358# See BUG#18352936 1359flush status; 1360EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1361WHERE t100.I=t10.I 1362AND t10000.K=t10.I; 1363id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13641 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13651 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13661 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1367Warnings: 1368Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1369SELECT COUNT(*) FROM t10,t100,t10000 1370WHERE t100.I=t10.I 1371AND t10000.K=t10.I; 1372COUNT(*) 137390 1374# See BUG#18352936 1375flush status; 1376EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1377WHERE t100.I=t10.I 1378AND t10000.K=t10.I; 1379id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13801 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13811 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13821 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1383Warnings: 1384Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1385SELECT COUNT(*) FROM t10,t10000,t100 1386WHERE t100.I=t10.I 1387AND t10000.K=t10.I; 1388COUNT(*) 138990 1390flush status; 1391EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1392WHERE t100.I=t10.I 1393AND t10000.K=t100.I; 1394id select_type table partitions type possible_keys key key_len ref rows filtered Extra 13951 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 13961 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 13971 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1398Warnings: 1399Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1400SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000,t100 1401WHERE t100.I=t10.I 1402AND t10000.K=t100.I; 1403COUNT(*) 140490 1405flush status; 1406EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1407WHERE t100.I=t10.I 1408AND t10000.K=t100.I; 1409id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14101 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14111 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14121 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1413Warnings: 1414Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1415SELECT COUNT(*) FROM t10,t100,t10000 1416WHERE t100.I=t10.I 1417AND t10000.K=t100.I; 1418COUNT(*) 141990 1420flush status; 1421EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1422WHERE t100.I=t10.I 1423AND t10000.K=t100.I; 1424id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14251 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14261 SIMPLE t10000 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14271 SIMPLE t100 NULL ALL NULL NULL NULL NULL 100 10.00 Using where; Using join buffer (Block Nested Loop) 1428Warnings: 1429Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t10000`.`K` = `test`.`t10`.`I`) and (`test`.`t100`.`I` = `test`.`t10`.`I`)) 1430SELECT COUNT(*) FROM t10,t10000,t100 1431WHERE t100.I=t10.I 1432AND t10000.K=t100.I; 1433COUNT(*) 143490 1435flush status; 1436EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1437WHERE x.k=t10.i; 1438id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14391 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14401 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14411 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1442Warnings: 1443Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1444SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1445WHERE x.k=t10.i; 1446COUNT(*) 144790000 1448flush status; 1449EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1450WHERE x.k=t10.i; 1451id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14521 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14531 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14541 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1455Warnings: 1456Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1457SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1458WHERE x.k=t10.i; 1459COUNT(*) 146090000 1461flush status; 1462EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1463WHERE x.k=t10.i; 1464id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14651 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14661 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14671 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1468Warnings: 1469Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1470SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1471WHERE x.k=t10.i; 1472COUNT(*) 147390000 1474flush status; 1475EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1476WHERE x.k=t10.i 1477AND y.i=t10.i; 1478id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14791 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14801 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14811 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1482Warnings: 1483Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1484SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1485WHERE x.k=t10.i 1486AND y.i=t10.i; 1487COUNT(*) 14889000 1489flush status; 1490EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1491WHERE x.k=t10.i 1492AND y.i=t10.i; 1493id select_type table partitions type possible_keys key key_len ref rows filtered Extra 14941 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 14951 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 14961 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1497Warnings: 1498Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1499SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1500WHERE x.k=t10.i 1501AND y.i=t10.i; 1502COUNT(*) 15039000 1504flush status; 1505EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1506WHERE x.k=t10.i 1507AND y.i=t10.i; 1508id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15091 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 15101 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15111 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1512Warnings: 1513Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1514SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1515WHERE x.k=t10.i 1516AND y.i=t10.i; 1517COUNT(*) 15189000 1519flush status; 1520EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1521WHERE x.k=t10.i 1522AND y.i=x.k; 1523id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15241 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 15251 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15261 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1527Warnings: 1528Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1529SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1530WHERE x.k=t10.i 1531AND y.i=x.k; 1532COUNT(*) 15339000 1534flush status; 1535EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1536WHERE x.k=t10.i 1537AND y.i=x.k; 1538id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15391 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 15401 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15411 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1542Warnings: 1543Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1544SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1545WHERE x.k=t10.i 1546AND y.i=x.k; 1547COUNT(*) 15489000 1549flush status; 1550EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1551WHERE x.k=t10.i 1552AND y.i=x.k; 1553id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15541 SIMPLE t10 NULL ALL NULL NULL NULL NULL 10 100.00 Using where 15551 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15561 SIMPLE y NULL ALL NULL NULL NULL NULL 10000 10.00 Using where; Using join buffer (Block Nested Loop) 1557Warnings: 1558Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1559SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1560WHERE x.k=t10.i 1561AND y.i=x.k; 1562COUNT(*) 15639000 1564CREATE INDEX IX ON t10(I); 1565CREATE INDEX IX ON t100(I); 1566CREATE INDEX IX ON t10000(I); 1567flush status; 1568EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1569WHERE t100.K=t10.I 1570AND t10000.I=t10.I; 1571id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15721 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 15731 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15741 SIMPLE t10000 NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1575Warnings: 1576Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1577SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t100,t10000 1578WHERE t100.K=t10.I 1579AND t10000.I=t10.I; 1580COUNT(*) 15819000 1582flush status; 1583EXPLAIN SELECT COUNT(*) FROM t10,t100,t10000 1584WHERE t100.K=t10.I 1585AND t10000.I=t10.I; 1586id select_type table partitions type possible_keys key key_len ref rows filtered Extra 15871 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 15881 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 15891 SIMPLE t10000 NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1590Warnings: 1591Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t100` join `test`.`t10000` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1592SELECT COUNT(*) FROM t10,t100,t10000 1593WHERE t100.K=t10.I 1594AND t10000.I=t10.I; 1595COUNT(*) 15969000 1597flush status; 1598EXPLAIN SELECT COUNT(*) FROM t10,t10000,t100 1599WHERE t100.K=t10.I 1600AND t10000.I=t10.I; 1601id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16021 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16031 SIMPLE t100 NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16041 SIMPLE t10000 NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1605Warnings: 1606Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` join `test`.`t100` where ((`test`.`t100`.`K` = `test`.`t10`.`I`) and (`test`.`t10000`.`I` = `test`.`t10`.`I`)) 1607SELECT COUNT(*) FROM t10,t10000,t100 1608WHERE t100.K=t10.I 1609AND t10000.I=t10.I; 1610COUNT(*) 16119000 1612flush status; 1613EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1614WHERE x.k=t10.i; 1615id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16161 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16171 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16181 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1619Warnings: 1620Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1621SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1622WHERE x.k=t10.i; 1623COUNT(*) 162490000 1625flush status; 1626EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1627WHERE x.k=t10.i; 1628id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16291 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16301 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16311 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1632Warnings: 1633Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1634SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1635WHERE x.k=t10.i; 1636COUNT(*) 163790000 1638flush status; 1639EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1640WHERE x.k=t10.i; 1641id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16421 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16431 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16441 SIMPLE y NULL index NULL PRIMARY 4 NULL 10000 100.00 Using index; Using join buffer (Block Nested Loop) 1645Warnings: 1646Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where (`test`.`x`.`K` = `test`.`t10`.`I`) 1647SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1648WHERE x.k=t10.i; 1649COUNT(*) 165090000 1651flush status; 1652EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1653WHERE x.k=t10.i 1654AND y.i=t10.i; 1655id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16561 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16571 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16581 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1659Warnings: 1660Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1661SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1662WHERE x.k=t10.i 1663AND y.i=t10.i; 1664COUNT(*) 16659000 1666flush status; 1667EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1668WHERE x.k=t10.i 1669AND y.i=t10.i; 1670id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16711 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16721 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16731 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1674Warnings: 1675Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1676SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1677WHERE x.k=t10.i 1678AND y.i=t10.i; 1679COUNT(*) 16809000 1681flush status; 1682EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1683WHERE x.k=t10.i 1684AND y.i=t10.i; 1685id select_type table partitions type possible_keys key key_len ref rows filtered Extra 16861 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 16871 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 16881 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1689Warnings: 1690Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1691SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1692WHERE x.k=t10.i 1693AND y.i=t10.i; 1694COUNT(*) 16959000 1696flush status; 1697EXPLAIN SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1698WHERE x.k=t10.i 1699AND y.i=x.k; 1700id select_type table partitions type possible_keys key key_len ref rows filtered Extra 17011 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 17021 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 17031 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1704Warnings: 1705Note 1003 /* select#1 */ select straight_join count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1706SELECT STRAIGHT_JOIN COUNT(*) FROM t10,t10000 x,t10000 y 1707WHERE x.k=t10.i 1708AND y.i=x.k; 1709COUNT(*) 17109000 1711flush status; 1712EXPLAIN SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1713WHERE x.k=t10.i 1714AND y.i=x.k; 1715id select_type table partitions type possible_keys key key_len ref rows filtered Extra 17161 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 17171 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 17181 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1719Warnings: 1720Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `x` join `test`.`t10000` `y` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1721SELECT COUNT(*) FROM t10,t10000 x,t10000 y 1722WHERE x.k=t10.i 1723AND y.i=x.k; 1724COUNT(*) 17259000 1726flush status; 1727EXPLAIN SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1728WHERE x.k=t10.i 1729AND y.i=x.k; 1730id select_type table partitions type possible_keys key key_len ref rows filtered Extra 17311 SIMPLE t10 NULL index IX IX 5 NULL 10 100.00 Using where; Using index 17321 SIMPLE x NULL eq_ref PRIMARY PRIMARY 4 test.t10.I 1 100.00 Using index 17331 SIMPLE y NULL ref IX IX 5 test.t10.I 1000 100.00 Using index 1734Warnings: 1735Note 1003 /* select#1 */ select count(0) AS `COUNT(*)` from `test`.`t10` join `test`.`t10000` `y` join `test`.`t10000` `x` where ((`test`.`x`.`K` = `test`.`t10`.`I`) and (`test`.`y`.`I` = `test`.`t10`.`I`)) 1736SELECT COUNT(*) FROM t10,t10000 y,t10000 x 1737WHERE x.k=t10.i 1738AND y.i=x.k; 1739COUNT(*) 17409000 1741# 1742# Test improved capabilities of analyzing complex query 1743# plans without restricting 'optimizer_search_depth'. 1744# Fix problems like those reported as bug#41740 & bug#58225. 1745# 1746# EPLAIN of queries using T1-T62 will timeout/hang wo/ fixes 1747# 1748DROP TABLE t10, t10000; 1749CREATE TABLE t1 ( K INT NOT NULL AUTO_INCREMENT, 1750I INT, 1751A INT, 1752PRIMARY KEY(K), KEY IX(A) 1753) engine = InnoDB; 1754INSERT INTO t1(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 1; 1755CREATE TABLE t2 ( K INT NOT NULL AUTO_INCREMENT, 1756I INT, 1757A INT, 1758PRIMARY KEY(K), KEY IX(A) 1759) engine = InnoDB; 1760INSERT INTO t2(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 2; 1761CREATE TABLE t3 ( K INT NOT NULL AUTO_INCREMENT, 1762I INT, 1763A INT, 1764PRIMARY KEY(K), KEY IX(A) 1765) engine = InnoDB; 1766INSERT INTO t3(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 3; 1767CREATE TABLE t4 ( K INT NOT NULL AUTO_INCREMENT, 1768I INT, 1769A INT, 1770PRIMARY KEY(K), KEY IX(A) 1771) engine = InnoDB; 1772INSERT INTO t4(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 4; 1773CREATE TABLE t5 ( K INT NOT NULL AUTO_INCREMENT, 1774I INT, 1775A INT, 1776PRIMARY KEY(K), KEY IX(A) 1777) engine = InnoDB; 1778INSERT INTO t5(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 5; 1779CREATE TABLE t6 ( K INT NOT NULL AUTO_INCREMENT, 1780I INT, 1781A INT, 1782PRIMARY KEY(K), KEY IX(A) 1783) engine = InnoDB; 1784INSERT INTO t6(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 6; 1785CREATE TABLE t7 ( K INT NOT NULL AUTO_INCREMENT, 1786I INT, 1787A INT, 1788PRIMARY KEY(K), KEY IX(A) 1789) engine = InnoDB; 1790INSERT INTO t7(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 7; 1791CREATE TABLE t8 ( K INT NOT NULL AUTO_INCREMENT, 1792I INT, 1793A INT, 1794PRIMARY KEY(K), KEY IX(A) 1795) engine = InnoDB; 1796INSERT INTO t8(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 8; 1797CREATE TABLE t9 ( K INT NOT NULL AUTO_INCREMENT, 1798I INT, 1799A INT, 1800PRIMARY KEY(K), KEY IX(A) 1801) engine = InnoDB; 1802INSERT INTO t9(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 9; 1803CREATE TABLE t10 ( K INT NOT NULL AUTO_INCREMENT, 1804I INT, 1805A INT, 1806PRIMARY KEY(K), KEY IX(A) 1807) engine = InnoDB; 1808INSERT INTO t10(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 10; 1809CREATE TABLE t11 ( K INT NOT NULL AUTO_INCREMENT, 1810I INT, 1811A INT, 1812PRIMARY KEY(K), KEY IX(A) 1813) engine = InnoDB; 1814INSERT INTO t11(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 11; 1815CREATE TABLE t12 ( K INT NOT NULL AUTO_INCREMENT, 1816I INT, 1817A INT, 1818PRIMARY KEY(K), KEY IX(A) 1819) engine = InnoDB; 1820INSERT INTO t12(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 12; 1821CREATE TABLE t13 ( K INT NOT NULL AUTO_INCREMENT, 1822I INT, 1823A INT, 1824PRIMARY KEY(K), KEY IX(A) 1825) engine = InnoDB; 1826INSERT INTO t13(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 13; 1827CREATE TABLE t14 ( K INT NOT NULL AUTO_INCREMENT, 1828I INT, 1829A INT, 1830PRIMARY KEY(K), KEY IX(A) 1831) engine = InnoDB; 1832INSERT INTO t14(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 14; 1833CREATE TABLE t15 ( K INT NOT NULL AUTO_INCREMENT, 1834I INT, 1835A INT, 1836PRIMARY KEY(K), KEY IX(A) 1837) engine = InnoDB; 1838INSERT INTO t15(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 15; 1839CREATE TABLE t16 ( K INT NOT NULL AUTO_INCREMENT, 1840I INT, 1841A INT, 1842PRIMARY KEY(K), KEY IX(A) 1843) engine = InnoDB; 1844INSERT INTO t16(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 16; 1845CREATE TABLE t17 ( K INT NOT NULL AUTO_INCREMENT, 1846I INT, 1847A INT, 1848PRIMARY KEY(K), KEY IX(A) 1849) engine = InnoDB; 1850INSERT INTO t17(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 17; 1851CREATE TABLE t18 ( K INT NOT NULL AUTO_INCREMENT, 1852I INT, 1853A INT, 1854PRIMARY KEY(K), KEY IX(A) 1855) engine = InnoDB; 1856INSERT INTO t18(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 18; 1857CREATE TABLE t19 ( K INT NOT NULL AUTO_INCREMENT, 1858I INT, 1859A INT, 1860PRIMARY KEY(K), KEY IX(A) 1861) engine = InnoDB; 1862INSERT INTO t19(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 19; 1863CREATE TABLE t20 ( K INT NOT NULL AUTO_INCREMENT, 1864I INT, 1865A INT, 1866PRIMARY KEY(K), KEY IX(A) 1867) engine = InnoDB; 1868INSERT INTO t20(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 20; 1869CREATE TABLE t21 ( K INT NOT NULL AUTO_INCREMENT, 1870I INT, 1871A INT, 1872PRIMARY KEY(K), KEY IX(A) 1873) engine = InnoDB; 1874INSERT INTO t21(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 21; 1875CREATE TABLE t22 ( K INT NOT NULL AUTO_INCREMENT, 1876I INT, 1877A INT, 1878PRIMARY KEY(K), KEY IX(A) 1879) engine = InnoDB; 1880INSERT INTO t22(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 22; 1881CREATE TABLE t23 ( K INT NOT NULL AUTO_INCREMENT, 1882I INT, 1883A INT, 1884PRIMARY KEY(K), KEY IX(A) 1885) engine = InnoDB; 1886INSERT INTO t23(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 23; 1887CREATE TABLE t24 ( K INT NOT NULL AUTO_INCREMENT, 1888I INT, 1889A INT, 1890PRIMARY KEY(K), KEY IX(A) 1891) engine = InnoDB; 1892INSERT INTO t24(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 24; 1893CREATE TABLE t25 ( K INT NOT NULL AUTO_INCREMENT, 1894I INT, 1895A INT, 1896PRIMARY KEY(K), KEY IX(A) 1897) engine = InnoDB; 1898INSERT INTO t25(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 25; 1899CREATE TABLE t26 ( K INT NOT NULL AUTO_INCREMENT, 1900I INT, 1901A INT, 1902PRIMARY KEY(K), KEY IX(A) 1903) engine = InnoDB; 1904INSERT INTO t26(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 26; 1905CREATE TABLE t27 ( K INT NOT NULL AUTO_INCREMENT, 1906I INT, 1907A INT, 1908PRIMARY KEY(K), KEY IX(A) 1909) engine = InnoDB; 1910INSERT INTO t27(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 27; 1911CREATE TABLE t28 ( K INT NOT NULL AUTO_INCREMENT, 1912I INT, 1913A INT, 1914PRIMARY KEY(K), KEY IX(A) 1915) engine = InnoDB; 1916INSERT INTO t28(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 28; 1917CREATE TABLE t29 ( K INT NOT NULL AUTO_INCREMENT, 1918I INT, 1919A INT, 1920PRIMARY KEY(K), KEY IX(A) 1921) engine = InnoDB; 1922INSERT INTO t29(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 29; 1923CREATE TABLE t30 ( K INT NOT NULL AUTO_INCREMENT, 1924I INT, 1925A INT, 1926PRIMARY KEY(K), KEY IX(A) 1927) engine = InnoDB; 1928INSERT INTO t30(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 30; 1929CREATE TABLE t31 ( K INT NOT NULL AUTO_INCREMENT, 1930I INT, 1931A INT, 1932PRIMARY KEY(K), KEY IX(A) 1933) engine = InnoDB; 1934INSERT INTO t31(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 31; 1935CREATE TABLE t32 ( K INT NOT NULL AUTO_INCREMENT, 1936I INT, 1937A INT, 1938PRIMARY KEY(K), KEY IX(A) 1939) engine = InnoDB; 1940INSERT INTO t32(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 32; 1941CREATE TABLE t33 ( K INT NOT NULL AUTO_INCREMENT, 1942I INT, 1943A INT, 1944PRIMARY KEY(K), KEY IX(A) 1945) engine = InnoDB; 1946INSERT INTO t33(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 33; 1947CREATE TABLE t34 ( K INT NOT NULL AUTO_INCREMENT, 1948I INT, 1949A INT, 1950PRIMARY KEY(K), KEY IX(A) 1951) engine = InnoDB; 1952INSERT INTO t34(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 34; 1953CREATE TABLE t35 ( K INT NOT NULL AUTO_INCREMENT, 1954I INT, 1955A INT, 1956PRIMARY KEY(K), KEY IX(A) 1957) engine = InnoDB; 1958INSERT INTO t35(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 35; 1959CREATE TABLE t36 ( K INT NOT NULL AUTO_INCREMENT, 1960I INT, 1961A INT, 1962PRIMARY KEY(K), KEY IX(A) 1963) engine = InnoDB; 1964INSERT INTO t36(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 36; 1965CREATE TABLE t37 ( K INT NOT NULL AUTO_INCREMENT, 1966I INT, 1967A INT, 1968PRIMARY KEY(K), KEY IX(A) 1969) engine = InnoDB; 1970INSERT INTO t37(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 37; 1971CREATE TABLE t38 ( K INT NOT NULL AUTO_INCREMENT, 1972I INT, 1973A INT, 1974PRIMARY KEY(K), KEY IX(A) 1975) engine = InnoDB; 1976INSERT INTO t38(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 38; 1977CREATE TABLE t39 ( K INT NOT NULL AUTO_INCREMENT, 1978I INT, 1979A INT, 1980PRIMARY KEY(K), KEY IX(A) 1981) engine = InnoDB; 1982INSERT INTO t39(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 39; 1983CREATE TABLE t40 ( K INT NOT NULL AUTO_INCREMENT, 1984I INT, 1985A INT, 1986PRIMARY KEY(K), KEY IX(A) 1987) engine = InnoDB; 1988INSERT INTO t40(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 40; 1989CREATE TABLE t41 ( K INT NOT NULL AUTO_INCREMENT, 1990I INT, 1991A INT, 1992PRIMARY KEY(K), KEY IX(A) 1993) engine = InnoDB; 1994INSERT INTO t41(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 41; 1995CREATE TABLE t42 ( K INT NOT NULL AUTO_INCREMENT, 1996I INT, 1997A INT, 1998PRIMARY KEY(K), KEY IX(A) 1999) engine = InnoDB; 2000INSERT INTO t42(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 42; 2001CREATE TABLE t43 ( K INT NOT NULL AUTO_INCREMENT, 2002I INT, 2003A INT, 2004PRIMARY KEY(K), KEY IX(A) 2005) engine = InnoDB; 2006INSERT INTO t43(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 43; 2007CREATE TABLE t44 ( K INT NOT NULL AUTO_INCREMENT, 2008I INT, 2009A INT, 2010PRIMARY KEY(K), KEY IX(A) 2011) engine = InnoDB; 2012INSERT INTO t44(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 44; 2013CREATE TABLE t45 ( K INT NOT NULL AUTO_INCREMENT, 2014I INT, 2015A INT, 2016PRIMARY KEY(K), KEY IX(A) 2017) engine = InnoDB; 2018INSERT INTO t45(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 45; 2019CREATE TABLE t46 ( K INT NOT NULL AUTO_INCREMENT, 2020I INT, 2021A INT, 2022PRIMARY KEY(K), KEY IX(A) 2023) engine = InnoDB; 2024INSERT INTO t46(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 46; 2025CREATE TABLE t47 ( K INT NOT NULL AUTO_INCREMENT, 2026I INT, 2027A INT, 2028PRIMARY KEY(K), KEY IX(A) 2029) engine = InnoDB; 2030INSERT INTO t47(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 47; 2031CREATE TABLE t48 ( K INT NOT NULL AUTO_INCREMENT, 2032I INT, 2033A INT, 2034PRIMARY KEY(K), KEY IX(A) 2035) engine = InnoDB; 2036INSERT INTO t48(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 48; 2037CREATE TABLE t49 ( K INT NOT NULL AUTO_INCREMENT, 2038I INT, 2039A INT, 2040PRIMARY KEY(K), KEY IX(A) 2041) engine = InnoDB; 2042INSERT INTO t49(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 49; 2043CREATE TABLE t50 ( K INT NOT NULL AUTO_INCREMENT, 2044I INT, 2045A INT, 2046PRIMARY KEY(K), KEY IX(A) 2047) engine = InnoDB; 2048INSERT INTO t50(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 50; 2049CREATE TABLE t51 ( K INT NOT NULL AUTO_INCREMENT, 2050I INT, 2051A INT, 2052PRIMARY KEY(K), KEY IX(A) 2053) engine = InnoDB; 2054INSERT INTO t51(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 51; 2055CREATE TABLE t52 ( K INT NOT NULL AUTO_INCREMENT, 2056I INT, 2057A INT, 2058PRIMARY KEY(K), KEY IX(A) 2059) engine = InnoDB; 2060INSERT INTO t52(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 52; 2061CREATE TABLE t53 ( K INT NOT NULL AUTO_INCREMENT, 2062I INT, 2063A INT, 2064PRIMARY KEY(K), KEY IX(A) 2065) engine = InnoDB; 2066INSERT INTO t53(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 53; 2067CREATE TABLE t54 ( K INT NOT NULL AUTO_INCREMENT, 2068I INT, 2069A INT, 2070PRIMARY KEY(K), KEY IX(A) 2071) engine = InnoDB; 2072INSERT INTO t54(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 54; 2073CREATE TABLE t55 ( K INT NOT NULL AUTO_INCREMENT, 2074I INT, 2075A INT, 2076PRIMARY KEY(K), KEY IX(A) 2077) engine = InnoDB; 2078INSERT INTO t55(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 55; 2079CREATE TABLE t56 ( K INT NOT NULL AUTO_INCREMENT, 2080I INT, 2081A INT, 2082PRIMARY KEY(K), KEY IX(A) 2083) engine = InnoDB; 2084INSERT INTO t56(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 56; 2085CREATE TABLE t57 ( K INT NOT NULL AUTO_INCREMENT, 2086I INT, 2087A INT, 2088PRIMARY KEY(K), KEY IX(A) 2089) engine = InnoDB; 2090INSERT INTO t57(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 57; 2091CREATE TABLE t58 ( K INT NOT NULL AUTO_INCREMENT, 2092I INT, 2093A INT, 2094PRIMARY KEY(K), KEY IX(A) 2095) engine = InnoDB; 2096INSERT INTO t58(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 58; 2097CREATE TABLE t59 ( K INT NOT NULL AUTO_INCREMENT, 2098I INT, 2099A INT, 2100PRIMARY KEY(K), KEY IX(A) 2101) engine = InnoDB; 2102INSERT INTO t59(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 59; 2103CREATE TABLE t60 ( K INT NOT NULL AUTO_INCREMENT, 2104I INT, 2105A INT, 2106PRIMARY KEY(K), KEY IX(A) 2107) engine = InnoDB; 2108INSERT INTO t60(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 60; 2109CREATE TABLE t61 ( K INT NOT NULL AUTO_INCREMENT, 2110I INT, 2111A INT, 2112PRIMARY KEY(K), KEY IX(A) 2113) engine = InnoDB; 2114INSERT INTO t61(I,A) SELECT X.K,X.K FROM t100 AS X, t100 AS Y WHERE X.K < 20 AND Y.K <= 61; 2115ANALYZE TABLE t100, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, t27, t28, t29, t30, t31, t32, t33, t34, t35, t36, t37, t38, t39, t40, t41, t42, t43, t44, t45, t46, t47, t48, t49, t50, t51, t52, t53, t54, t55, t56, t57, t58, t59, t60, t61; 2116set optimizer_prune_level=1; 2117set optimizer_search_depth=0; 2118select @@optimizer_prune_level; 2119select @@optimizer_search_depth; 2120EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I; 2121select @@optimizer_prune_level; 2122select @@optimizer_search_depth; 2123EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I; 2124select @@optimizer_prune_level; 2125select @@optimizer_search_depth; 2126EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I; 2127select @@optimizer_prune_level; 2128select @@optimizer_search_depth; 2129EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I; 2130select @@optimizer_prune_level; 2131select @@optimizer_search_depth; 2132EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I; 2133select @@optimizer_prune_level; 2134select @@optimizer_search_depth; 2135EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I; 2136select @@optimizer_prune_level; 2137select @@optimizer_search_depth; 2138EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I; 2139select @@optimizer_prune_level; 2140select @@optimizer_search_depth; 2141EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I; 2142select @@optimizer_prune_level; 2143select @@optimizer_search_depth; 2144EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I; 2145select @@optimizer_prune_level; 2146select @@optimizer_search_depth; 2147EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I; 2148select @@optimizer_prune_level; 2149select @@optimizer_search_depth; 2150EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I; 2151select @@optimizer_prune_level; 2152select @@optimizer_search_depth; 2153EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I; 2154select @@optimizer_prune_level; 2155select @@optimizer_search_depth; 2156EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I; 2157select @@optimizer_prune_level; 2158select @@optimizer_search_depth; 2159EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I; 2160select @@optimizer_prune_level; 2161select @@optimizer_search_depth; 2162EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I; 2163select @@optimizer_prune_level; 2164select @@optimizer_search_depth; 2165EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I; 2166select @@optimizer_prune_level; 2167select @@optimizer_search_depth; 2168EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I; 2169select @@optimizer_prune_level; 2170select @@optimizer_search_depth; 2171EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I; 2172select @@optimizer_prune_level; 2173select @@optimizer_search_depth; 2174EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I; 2175select @@optimizer_prune_level; 2176select @@optimizer_search_depth; 2177EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I; 2178select @@optimizer_prune_level; 2179select @@optimizer_search_depth; 2180EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I; 2181select @@optimizer_prune_level; 2182select @@optimizer_search_depth; 2183EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I; 2184select @@optimizer_prune_level; 2185select @@optimizer_search_depth; 2186EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I; 2187select @@optimizer_prune_level; 2188select @@optimizer_search_depth; 2189EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I; 2190select @@optimizer_prune_level; 2191select @@optimizer_search_depth; 2192EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I; 2193select @@optimizer_prune_level; 2194select @@optimizer_search_depth; 2195EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I; 2196select @@optimizer_prune_level; 2197select @@optimizer_search_depth; 2198EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I; 2199select @@optimizer_prune_level; 2200select @@optimizer_search_depth; 2201EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I; 2202select @@optimizer_prune_level; 2203select @@optimizer_search_depth; 2204EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I; 2205select @@optimizer_prune_level; 2206select @@optimizer_search_depth; 2207EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I; 2208select @@optimizer_prune_level; 2209select @@optimizer_search_depth; 2210EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I; 2211select @@optimizer_prune_level; 2212select @@optimizer_search_depth; 2213EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I; 2214select @@optimizer_prune_level; 2215select @@optimizer_search_depth; 2216EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I; 2217select @@optimizer_prune_level; 2218select @@optimizer_search_depth; 2219EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I; 2220select @@optimizer_prune_level; 2221select @@optimizer_search_depth; 2222EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I; 2223select @@optimizer_prune_level; 2224select @@optimizer_search_depth; 2225EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I; 2226select @@optimizer_prune_level; 2227select @@optimizer_search_depth; 2228EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I; 2229select @@optimizer_prune_level; 2230select @@optimizer_search_depth; 2231EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I; 2232select @@optimizer_prune_level; 2233select @@optimizer_search_depth; 2234EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I; 2235select @@optimizer_prune_level; 2236select @@optimizer_search_depth; 2237EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I; 2238select @@optimizer_prune_level; 2239select @@optimizer_search_depth; 2240EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I; 2241select @@optimizer_prune_level; 2242select @@optimizer_search_depth; 2243EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I; 2244select @@optimizer_prune_level; 2245select @@optimizer_search_depth; 2246EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I; 2247select @@optimizer_prune_level; 2248select @@optimizer_search_depth; 2249EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I; 2250select @@optimizer_prune_level; 2251select @@optimizer_search_depth; 2252EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I; 2253select @@optimizer_prune_level; 2254select @@optimizer_search_depth; 2255EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I; 2256select @@optimizer_prune_level; 2257select @@optimizer_search_depth; 2258EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I; 2259select @@optimizer_prune_level; 2260select @@optimizer_search_depth; 2261EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I; 2262select @@optimizer_prune_level; 2263select @@optimizer_search_depth; 2264EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I; 2265select @@optimizer_prune_level; 2266select @@optimizer_search_depth; 2267EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I; 2268select @@optimizer_prune_level; 2269select @@optimizer_search_depth; 2270EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I; 2271select @@optimizer_prune_level; 2272select @@optimizer_search_depth; 2273EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I; 2274select @@optimizer_prune_level; 2275select @@optimizer_search_depth; 2276EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I; 2277select @@optimizer_prune_level; 2278select @@optimizer_search_depth; 2279EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I; 2280select @@optimizer_prune_level; 2281select @@optimizer_search_depth; 2282EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I; 2283select @@optimizer_prune_level; 2284select @@optimizer_search_depth; 2285EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I; 2286select @@optimizer_prune_level; 2287select @@optimizer_search_depth; 2288EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I; 2289select @@optimizer_prune_level; 2290select @@optimizer_search_depth; 2291EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I; 2292select @@optimizer_prune_level; 2293select @@optimizer_search_depth; 2294EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I; 2295select @@optimizer_prune_level; 2296select @@optimizer_search_depth; 2297EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I JOIN t60 ON t60.I=x.I; 2298select @@optimizer_prune_level; 2299select @@optimizer_search_depth; 2300EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I; 2301select @@optimizer_prune_level; 2302select @@optimizer_search_depth; 2303EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I; 2304select @@optimizer_prune_level; 2305select @@optimizer_search_depth; 2306EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I; 2307select @@optimizer_prune_level; 2308select @@optimizer_search_depth; 2309EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I; 2310select @@optimizer_prune_level; 2311select @@optimizer_search_depth; 2312EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I; 2313select @@optimizer_prune_level; 2314select @@optimizer_search_depth; 2315EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I; 2316select @@optimizer_prune_level; 2317select @@optimizer_search_depth; 2318EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I JOIN t49 as t49 ON t49.I=x.I JOIN t49 as t50 ON t50.I=x.I JOIN t49 as t51 ON t51.I=x.I JOIN t49 as t52 ON t52.I=x.I JOIN t49 as t53 ON t53.I=x.I JOIN t49 as t54 ON t54.I=x.I JOIN t49 as t55 ON t55.I=x.I JOIN t49 as t56 ON t56.I=x.I; 2319EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I; 2320EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I; 2321EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I; 2322EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I; 2323EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I; 2324EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I; 2325EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I; 2326EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I; 2327EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I; 2328EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I; 2329EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I; 2330EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I; 2331EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I; 2332EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I; 2333EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.I = x.I; 2334EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I; 2335EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I; 2336EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I; 2337EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I; 2338EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I; 2339EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I; 2340EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I; 2341EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I; 2342EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I; 2343EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I; 2344EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I; 2345EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I; 2346EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I; 2347EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I; 2348EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.K = x.I; 2349EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I; 2350EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I; 2351EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I; 2352EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I; 2353EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I; 2354EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I; 2355EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I; 2356EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I; 2357EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I; 2358EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I; 2359EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I; 2360EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I; 2361EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I; 2362EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I; 2363EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.K = x.I JOIN t60 ON t60.K = x.I; 2364EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I; 2365EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I; 2366EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I; 2367EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I; 2368EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I; 2369EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I; 2370EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I; 2371EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I; 2372EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I; 2373EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I; 2374EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I; 2375EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I; 2376EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I; 2377EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I; 2378EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I; 2379EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I; 2380EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I; 2381EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I; 2382EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I; 2383EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I; 2384EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I; 2385EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I; 2386EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I; 2387EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I; 2388EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I; 2389EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I; 2390EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I; 2391EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I; 2392EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I; 2393EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I; 2394EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I; 2395EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I; 2396EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I; 2397EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I; 2398EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I; 2399EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I; 2400EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I; 2401EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I; 2402EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I; 2403EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I; 2404EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I; 2405EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I; 2406EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I; 2407EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I; 2408EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I; 2409EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I; 2410EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I; 2411EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I; 2412EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I; 2413EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I; 2414EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I; 2415EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I; 2416EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I; 2417EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I; 2418EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I; 2419EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I; 2420EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I; 2421EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I; 2422EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I; 2423EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I JOIN t60 ON t60.K=x.I; 2424set optimizer_search_depth=1; 2425select @@optimizer_prune_level; 2426select @@optimizer_search_depth; 2427EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I; 2428select @@optimizer_prune_level; 2429select @@optimizer_search_depth; 2430EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I; 2431select @@optimizer_prune_level; 2432select @@optimizer_search_depth; 2433EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I; 2434select @@optimizer_prune_level; 2435select @@optimizer_search_depth; 2436EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I; 2437select @@optimizer_prune_level; 2438select @@optimizer_search_depth; 2439EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I; 2440select @@optimizer_prune_level; 2441select @@optimizer_search_depth; 2442EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I; 2443select @@optimizer_prune_level; 2444select @@optimizer_search_depth; 2445EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I; 2446select @@optimizer_prune_level; 2447select @@optimizer_search_depth; 2448EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I; 2449select @@optimizer_prune_level; 2450select @@optimizer_search_depth; 2451EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I; 2452select @@optimizer_prune_level; 2453select @@optimizer_search_depth; 2454EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I; 2455select @@optimizer_prune_level; 2456select @@optimizer_search_depth; 2457EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I; 2458select @@optimizer_prune_level; 2459select @@optimizer_search_depth; 2460EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I; 2461select @@optimizer_prune_level; 2462select @@optimizer_search_depth; 2463EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I; 2464select @@optimizer_prune_level; 2465select @@optimizer_search_depth; 2466EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I; 2467select @@optimizer_prune_level; 2468select @@optimizer_search_depth; 2469EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I; 2470select @@optimizer_prune_level; 2471select @@optimizer_search_depth; 2472EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I; 2473select @@optimizer_prune_level; 2474select @@optimizer_search_depth; 2475EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I; 2476select @@optimizer_prune_level; 2477select @@optimizer_search_depth; 2478EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I; 2479select @@optimizer_prune_level; 2480select @@optimizer_search_depth; 2481EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I; 2482select @@optimizer_prune_level; 2483select @@optimizer_search_depth; 2484EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I; 2485select @@optimizer_prune_level; 2486select @@optimizer_search_depth; 2487EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I; 2488select @@optimizer_prune_level; 2489select @@optimizer_search_depth; 2490EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I; 2491select @@optimizer_prune_level; 2492select @@optimizer_search_depth; 2493EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I; 2494select @@optimizer_prune_level; 2495select @@optimizer_search_depth; 2496EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I; 2497select @@optimizer_prune_level; 2498select @@optimizer_search_depth; 2499EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I; 2500select @@optimizer_prune_level; 2501select @@optimizer_search_depth; 2502EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I; 2503select @@optimizer_prune_level; 2504select @@optimizer_search_depth; 2505EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I; 2506select @@optimizer_prune_level; 2507select @@optimizer_search_depth; 2508EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I; 2509select @@optimizer_prune_level; 2510select @@optimizer_search_depth; 2511EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I; 2512select @@optimizer_prune_level; 2513select @@optimizer_search_depth; 2514EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I; 2515select @@optimizer_prune_level; 2516select @@optimizer_search_depth; 2517EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I; 2518select @@optimizer_prune_level; 2519select @@optimizer_search_depth; 2520EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I; 2521select @@optimizer_prune_level; 2522select @@optimizer_search_depth; 2523EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I; 2524select @@optimizer_prune_level; 2525select @@optimizer_search_depth; 2526EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I; 2527select @@optimizer_prune_level; 2528select @@optimizer_search_depth; 2529EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I; 2530select @@optimizer_prune_level; 2531select @@optimizer_search_depth; 2532EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I; 2533select @@optimizer_prune_level; 2534select @@optimizer_search_depth; 2535EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I; 2536select @@optimizer_prune_level; 2537select @@optimizer_search_depth; 2538EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I; 2539select @@optimizer_prune_level; 2540select @@optimizer_search_depth; 2541EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I; 2542select @@optimizer_prune_level; 2543select @@optimizer_search_depth; 2544EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I; 2545select @@optimizer_prune_level; 2546select @@optimizer_search_depth; 2547EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I; 2548select @@optimizer_prune_level; 2549select @@optimizer_search_depth; 2550EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I; 2551select @@optimizer_prune_level; 2552select @@optimizer_search_depth; 2553EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I; 2554select @@optimizer_prune_level; 2555select @@optimizer_search_depth; 2556EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I; 2557select @@optimizer_prune_level; 2558select @@optimizer_search_depth; 2559EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I; 2560select @@optimizer_prune_level; 2561select @@optimizer_search_depth; 2562EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I; 2563select @@optimizer_prune_level; 2564select @@optimizer_search_depth; 2565EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I; 2566select @@optimizer_prune_level; 2567select @@optimizer_search_depth; 2568EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I; 2569select @@optimizer_prune_level; 2570select @@optimizer_search_depth; 2571EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I; 2572select @@optimizer_prune_level; 2573select @@optimizer_search_depth; 2574EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I; 2575select @@optimizer_prune_level; 2576select @@optimizer_search_depth; 2577EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I; 2578select @@optimizer_prune_level; 2579select @@optimizer_search_depth; 2580EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I; 2581select @@optimizer_prune_level; 2582select @@optimizer_search_depth; 2583EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I; 2584select @@optimizer_prune_level; 2585select @@optimizer_search_depth; 2586EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I; 2587select @@optimizer_prune_level; 2588select @@optimizer_search_depth; 2589EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I; 2590select @@optimizer_prune_level; 2591select @@optimizer_search_depth; 2592EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I; 2593select @@optimizer_prune_level; 2594select @@optimizer_search_depth; 2595EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I; 2596select @@optimizer_prune_level; 2597select @@optimizer_search_depth; 2598EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I; 2599select @@optimizer_prune_level; 2600select @@optimizer_search_depth; 2601EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I; 2602select @@optimizer_prune_level; 2603select @@optimizer_search_depth; 2604EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I JOIN t60 ON t60.I=x.I; 2605select @@optimizer_prune_level; 2606select @@optimizer_search_depth; 2607EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I; 2608select @@optimizer_prune_level; 2609select @@optimizer_search_depth; 2610EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I; 2611select @@optimizer_prune_level; 2612select @@optimizer_search_depth; 2613EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I; 2614select @@optimizer_prune_level; 2615select @@optimizer_search_depth; 2616EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I; 2617select @@optimizer_prune_level; 2618select @@optimizer_search_depth; 2619EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I; 2620select @@optimizer_prune_level; 2621select @@optimizer_search_depth; 2622EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I; 2623select @@optimizer_prune_level; 2624select @@optimizer_search_depth; 2625EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I JOIN t49 as t49 ON t49.I=x.I JOIN t49 as t50 ON t50.I=x.I JOIN t49 as t51 ON t51.I=x.I JOIN t49 as t52 ON t52.I=x.I JOIN t49 as t53 ON t53.I=x.I JOIN t49 as t54 ON t54.I=x.I JOIN t49 as t55 ON t55.I=x.I JOIN t49 as t56 ON t56.I=x.I; 2626EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I; 2627EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I; 2628EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I; 2629EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I; 2630EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I; 2631EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I; 2632EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I; 2633EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I; 2634EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I; 2635EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I; 2636EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I; 2637EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I; 2638EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I; 2639EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I; 2640EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.I = x.I; 2641EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I; 2642EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I; 2643EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I; 2644EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I; 2645EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I; 2646EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I; 2647EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I; 2648EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I; 2649EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I; 2650EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I; 2651EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I; 2652EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I; 2653EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I; 2654EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I; 2655EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.K = x.I; 2656EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I; 2657EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I; 2658EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I; 2659EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I; 2660EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I; 2661EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I; 2662EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I; 2663EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I; 2664EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I; 2665EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I; 2666EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I; 2667EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I; 2668EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I; 2669EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I; 2670EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.K = x.I JOIN t60 ON t60.K = x.I; 2671EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I; 2672EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I; 2673EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I; 2674EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I; 2675EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I; 2676EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I; 2677EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I; 2678EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I; 2679EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I; 2680EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I; 2681EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I; 2682EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I; 2683EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I; 2684EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I; 2685EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I; 2686EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I; 2687EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I; 2688EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I; 2689EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I; 2690EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I; 2691EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I; 2692EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I; 2693EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I; 2694EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I; 2695EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I; 2696EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I; 2697EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I; 2698EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I; 2699EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I; 2700EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I; 2701EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I; 2702EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I; 2703EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I; 2704EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I; 2705EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I; 2706EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I; 2707EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I; 2708EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I; 2709EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I; 2710EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I; 2711EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I; 2712EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I; 2713EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I; 2714EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I; 2715EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I; 2716EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I; 2717EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I; 2718EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I; 2719EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I; 2720EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I; 2721EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I; 2722EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I; 2723EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I; 2724EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I; 2725EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I; 2726EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I; 2727EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I; 2728EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I; 2729EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I; 2730EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I JOIN t60 ON t60.K=x.I; 2731set optimizer_search_depth=3; 2732select @@optimizer_prune_level; 2733select @@optimizer_search_depth; 2734EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I; 2735select @@optimizer_prune_level; 2736select @@optimizer_search_depth; 2737EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I; 2738select @@optimizer_prune_level; 2739select @@optimizer_search_depth; 2740EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I; 2741select @@optimizer_prune_level; 2742select @@optimizer_search_depth; 2743EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I; 2744select @@optimizer_prune_level; 2745select @@optimizer_search_depth; 2746EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I; 2747select @@optimizer_prune_level; 2748select @@optimizer_search_depth; 2749EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I; 2750select @@optimizer_prune_level; 2751select @@optimizer_search_depth; 2752EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I; 2753select @@optimizer_prune_level; 2754select @@optimizer_search_depth; 2755EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I; 2756select @@optimizer_prune_level; 2757select @@optimizer_search_depth; 2758EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I; 2759select @@optimizer_prune_level; 2760select @@optimizer_search_depth; 2761EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I; 2762select @@optimizer_prune_level; 2763select @@optimizer_search_depth; 2764EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I; 2765select @@optimizer_prune_level; 2766select @@optimizer_search_depth; 2767EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I; 2768select @@optimizer_prune_level; 2769select @@optimizer_search_depth; 2770EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I; 2771select @@optimizer_prune_level; 2772select @@optimizer_search_depth; 2773EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I; 2774select @@optimizer_prune_level; 2775select @@optimizer_search_depth; 2776EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I; 2777select @@optimizer_prune_level; 2778select @@optimizer_search_depth; 2779EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I; 2780select @@optimizer_prune_level; 2781select @@optimizer_search_depth; 2782EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I; 2783select @@optimizer_prune_level; 2784select @@optimizer_search_depth; 2785EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I; 2786select @@optimizer_prune_level; 2787select @@optimizer_search_depth; 2788EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I; 2789select @@optimizer_prune_level; 2790select @@optimizer_search_depth; 2791EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I; 2792select @@optimizer_prune_level; 2793select @@optimizer_search_depth; 2794EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I; 2795select @@optimizer_prune_level; 2796select @@optimizer_search_depth; 2797EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I; 2798select @@optimizer_prune_level; 2799select @@optimizer_search_depth; 2800EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I; 2801select @@optimizer_prune_level; 2802select @@optimizer_search_depth; 2803EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I; 2804select @@optimizer_prune_level; 2805select @@optimizer_search_depth; 2806EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I; 2807select @@optimizer_prune_level; 2808select @@optimizer_search_depth; 2809EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I; 2810select @@optimizer_prune_level; 2811select @@optimizer_search_depth; 2812EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I; 2813select @@optimizer_prune_level; 2814select @@optimizer_search_depth; 2815EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I; 2816select @@optimizer_prune_level; 2817select @@optimizer_search_depth; 2818EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I; 2819select @@optimizer_prune_level; 2820select @@optimizer_search_depth; 2821EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I; 2822select @@optimizer_prune_level; 2823select @@optimizer_search_depth; 2824EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I; 2825select @@optimizer_prune_level; 2826select @@optimizer_search_depth; 2827EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I; 2828select @@optimizer_prune_level; 2829select @@optimizer_search_depth; 2830EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I; 2831select @@optimizer_prune_level; 2832select @@optimizer_search_depth; 2833EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I; 2834select @@optimizer_prune_level; 2835select @@optimizer_search_depth; 2836EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I; 2837select @@optimizer_prune_level; 2838select @@optimizer_search_depth; 2839EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I; 2840select @@optimizer_prune_level; 2841select @@optimizer_search_depth; 2842EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I; 2843select @@optimizer_prune_level; 2844select @@optimizer_search_depth; 2845EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I; 2846select @@optimizer_prune_level; 2847select @@optimizer_search_depth; 2848EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I; 2849select @@optimizer_prune_level; 2850select @@optimizer_search_depth; 2851EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I; 2852select @@optimizer_prune_level; 2853select @@optimizer_search_depth; 2854EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I; 2855select @@optimizer_prune_level; 2856select @@optimizer_search_depth; 2857EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I; 2858select @@optimizer_prune_level; 2859select @@optimizer_search_depth; 2860EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I; 2861select @@optimizer_prune_level; 2862select @@optimizer_search_depth; 2863EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I; 2864select @@optimizer_prune_level; 2865select @@optimizer_search_depth; 2866EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I; 2867select @@optimizer_prune_level; 2868select @@optimizer_search_depth; 2869EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I; 2870select @@optimizer_prune_level; 2871select @@optimizer_search_depth; 2872EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I; 2873select @@optimizer_prune_level; 2874select @@optimizer_search_depth; 2875EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I; 2876select @@optimizer_prune_level; 2877select @@optimizer_search_depth; 2878EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I; 2879select @@optimizer_prune_level; 2880select @@optimizer_search_depth; 2881EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I; 2882select @@optimizer_prune_level; 2883select @@optimizer_search_depth; 2884EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I; 2885select @@optimizer_prune_level; 2886select @@optimizer_search_depth; 2887EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I; 2888select @@optimizer_prune_level; 2889select @@optimizer_search_depth; 2890EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I; 2891select @@optimizer_prune_level; 2892select @@optimizer_search_depth; 2893EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I; 2894select @@optimizer_prune_level; 2895select @@optimizer_search_depth; 2896EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I; 2897select @@optimizer_prune_level; 2898select @@optimizer_search_depth; 2899EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I; 2900select @@optimizer_prune_level; 2901select @@optimizer_search_depth; 2902EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I; 2903select @@optimizer_prune_level; 2904select @@optimizer_search_depth; 2905EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I; 2906select @@optimizer_prune_level; 2907select @@optimizer_search_depth; 2908EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I; 2909select @@optimizer_prune_level; 2910select @@optimizer_search_depth; 2911EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I JOIN t60 ON t60.I=x.I; 2912select @@optimizer_prune_level; 2913select @@optimizer_search_depth; 2914EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I; 2915select @@optimizer_prune_level; 2916select @@optimizer_search_depth; 2917EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I; 2918select @@optimizer_prune_level; 2919select @@optimizer_search_depth; 2920EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I; 2921select @@optimizer_prune_level; 2922select @@optimizer_search_depth; 2923EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I; 2924select @@optimizer_prune_level; 2925select @@optimizer_search_depth; 2926EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I; 2927select @@optimizer_prune_level; 2928select @@optimizer_search_depth; 2929EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I; 2930select @@optimizer_prune_level; 2931select @@optimizer_search_depth; 2932EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I JOIN t49 as t49 ON t49.I=x.I JOIN t49 as t50 ON t50.I=x.I JOIN t49 as t51 ON t51.I=x.I JOIN t49 as t52 ON t52.I=x.I JOIN t49 as t53 ON t53.I=x.I JOIN t49 as t54 ON t54.I=x.I JOIN t49 as t55 ON t55.I=x.I JOIN t49 as t56 ON t56.I=x.I; 2933EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I; 2934EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I; 2935EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I; 2936EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I; 2937EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I; 2938EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I; 2939EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I; 2940EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I; 2941EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I; 2942EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I; 2943EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I; 2944EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I; 2945EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I; 2946EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I; 2947EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.I = x.I; 2948EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I; 2949EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I; 2950EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I; 2951EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I; 2952EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I; 2953EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I; 2954EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I; 2955EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I; 2956EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I; 2957EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I; 2958EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I; 2959EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I; 2960EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I; 2961EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I; 2962EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.K = x.I; 2963EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I; 2964EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I; 2965EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I; 2966EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I; 2967EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I; 2968EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I; 2969EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I; 2970EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I; 2971EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I; 2972EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I; 2973EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I; 2974EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I; 2975EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I; 2976EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I; 2977EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.K = x.I JOIN t60 ON t60.K = x.I; 2978EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I; 2979EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I; 2980EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I; 2981EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I; 2982EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I; 2983EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I; 2984EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I; 2985EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I; 2986EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I; 2987EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I; 2988EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I; 2989EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I; 2990EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I; 2991EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I; 2992EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I; 2993EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I; 2994EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I; 2995EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I; 2996EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I; 2997EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I; 2998EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I; 2999EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I; 3000EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I; 3001EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I; 3002EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I; 3003EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I; 3004EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I; 3005EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I; 3006EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I; 3007EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I; 3008EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I; 3009EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I; 3010EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I; 3011EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I; 3012EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I; 3013EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I; 3014EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I; 3015EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I; 3016EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I; 3017EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I; 3018EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I; 3019EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I; 3020EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I; 3021EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I; 3022EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I; 3023EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I; 3024EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I; 3025EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I; 3026EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I; 3027EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I; 3028EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I; 3029EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I; 3030EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I; 3031EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I; 3032EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I; 3033EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I; 3034EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I; 3035EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I; 3036EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I; 3037EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I JOIN t60 ON t60.K=x.I; 3038set optimizer_search_depth=62; 3039select @@optimizer_prune_level; 3040select @@optimizer_search_depth; 3041EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I; 3042select @@optimizer_prune_level; 3043select @@optimizer_search_depth; 3044EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I; 3045select @@optimizer_prune_level; 3046select @@optimizer_search_depth; 3047EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I; 3048select @@optimizer_prune_level; 3049select @@optimizer_search_depth; 3050EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I; 3051select @@optimizer_prune_level; 3052select @@optimizer_search_depth; 3053EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I; 3054select @@optimizer_prune_level; 3055select @@optimizer_search_depth; 3056EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I; 3057select @@optimizer_prune_level; 3058select @@optimizer_search_depth; 3059EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I; 3060select @@optimizer_prune_level; 3061select @@optimizer_search_depth; 3062EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I; 3063select @@optimizer_prune_level; 3064select @@optimizer_search_depth; 3065EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I; 3066select @@optimizer_prune_level; 3067select @@optimizer_search_depth; 3068EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I; 3069select @@optimizer_prune_level; 3070select @@optimizer_search_depth; 3071EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I; 3072select @@optimizer_prune_level; 3073select @@optimizer_search_depth; 3074EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I; 3075select @@optimizer_prune_level; 3076select @@optimizer_search_depth; 3077EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I; 3078select @@optimizer_prune_level; 3079select @@optimizer_search_depth; 3080EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I; 3081select @@optimizer_prune_level; 3082select @@optimizer_search_depth; 3083EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I; 3084select @@optimizer_prune_level; 3085select @@optimizer_search_depth; 3086EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I; 3087select @@optimizer_prune_level; 3088select @@optimizer_search_depth; 3089EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I; 3090select @@optimizer_prune_level; 3091select @@optimizer_search_depth; 3092EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I; 3093select @@optimizer_prune_level; 3094select @@optimizer_search_depth; 3095EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I; 3096select @@optimizer_prune_level; 3097select @@optimizer_search_depth; 3098EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I; 3099select @@optimizer_prune_level; 3100select @@optimizer_search_depth; 3101EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I; 3102select @@optimizer_prune_level; 3103select @@optimizer_search_depth; 3104EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I; 3105select @@optimizer_prune_level; 3106select @@optimizer_search_depth; 3107EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I; 3108select @@optimizer_prune_level; 3109select @@optimizer_search_depth; 3110EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I; 3111select @@optimizer_prune_level; 3112select @@optimizer_search_depth; 3113EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I; 3114select @@optimizer_prune_level; 3115select @@optimizer_search_depth; 3116EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I; 3117select @@optimizer_prune_level; 3118select @@optimizer_search_depth; 3119EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I; 3120select @@optimizer_prune_level; 3121select @@optimizer_search_depth; 3122EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I; 3123select @@optimizer_prune_level; 3124select @@optimizer_search_depth; 3125EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I; 3126select @@optimizer_prune_level; 3127select @@optimizer_search_depth; 3128EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I; 3129select @@optimizer_prune_level; 3130select @@optimizer_search_depth; 3131EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I; 3132select @@optimizer_prune_level; 3133select @@optimizer_search_depth; 3134EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I; 3135select @@optimizer_prune_level; 3136select @@optimizer_search_depth; 3137EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I; 3138select @@optimizer_prune_level; 3139select @@optimizer_search_depth; 3140EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I; 3141select @@optimizer_prune_level; 3142select @@optimizer_search_depth; 3143EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I; 3144select @@optimizer_prune_level; 3145select @@optimizer_search_depth; 3146EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I; 3147select @@optimizer_prune_level; 3148select @@optimizer_search_depth; 3149EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I; 3150select @@optimizer_prune_level; 3151select @@optimizer_search_depth; 3152EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I; 3153select @@optimizer_prune_level; 3154select @@optimizer_search_depth; 3155EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I; 3156select @@optimizer_prune_level; 3157select @@optimizer_search_depth; 3158EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I; 3159select @@optimizer_prune_level; 3160select @@optimizer_search_depth; 3161EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I; 3162select @@optimizer_prune_level; 3163select @@optimizer_search_depth; 3164EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I; 3165select @@optimizer_prune_level; 3166select @@optimizer_search_depth; 3167EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I; 3168select @@optimizer_prune_level; 3169select @@optimizer_search_depth; 3170EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I; 3171select @@optimizer_prune_level; 3172select @@optimizer_search_depth; 3173EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I; 3174select @@optimizer_prune_level; 3175select @@optimizer_search_depth; 3176EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I; 3177select @@optimizer_prune_level; 3178select @@optimizer_search_depth; 3179EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I; 3180select @@optimizer_prune_level; 3181select @@optimizer_search_depth; 3182EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I; 3183select @@optimizer_prune_level; 3184select @@optimizer_search_depth; 3185EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I; 3186select @@optimizer_prune_level; 3187select @@optimizer_search_depth; 3188EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I; 3189select @@optimizer_prune_level; 3190select @@optimizer_search_depth; 3191EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I; 3192select @@optimizer_prune_level; 3193select @@optimizer_search_depth; 3194EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I; 3195select @@optimizer_prune_level; 3196select @@optimizer_search_depth; 3197EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I; 3198select @@optimizer_prune_level; 3199select @@optimizer_search_depth; 3200EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I; 3201select @@optimizer_prune_level; 3202select @@optimizer_search_depth; 3203EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I; 3204select @@optimizer_prune_level; 3205select @@optimizer_search_depth; 3206EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I; 3207select @@optimizer_prune_level; 3208select @@optimizer_search_depth; 3209EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I; 3210select @@optimizer_prune_level; 3211select @@optimizer_search_depth; 3212EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I; 3213select @@optimizer_prune_level; 3214select @@optimizer_search_depth; 3215EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I; 3216select @@optimizer_prune_level; 3217select @@optimizer_search_depth; 3218EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I=x.I JOIN t2 ON t2.I=x.I JOIN t3 ON t3.I=x.I JOIN t4 ON t4.I=x.I JOIN t5 ON t5.I=x.I JOIN t6 ON t6.I=x.I JOIN t7 ON t7.I=x.I JOIN t8 ON t8.I=x.I JOIN t9 ON t9.I=x.I JOIN t10 ON t10.I=x.I JOIN t11 ON t11.I=x.I JOIN t12 ON t12.I=x.I JOIN t13 ON t13.I=x.I JOIN t14 ON t14.I=x.I JOIN t15 ON t15.I=x.I JOIN t16 ON t16.I=x.I JOIN t17 ON t17.I=x.I JOIN t18 ON t18.I=x.I JOIN t19 ON t19.I=x.I JOIN t20 ON t20.I=x.I JOIN t21 ON t21.I=x.I JOIN t22 ON t22.I=x.I JOIN t23 ON t23.I=x.I JOIN t24 ON t24.I=x.I JOIN t25 ON t25.I=x.I JOIN t26 ON t26.I=x.I JOIN t27 ON t27.I=x.I JOIN t28 ON t28.I=x.I JOIN t29 ON t29.I=x.I JOIN t30 ON t30.I=x.I JOIN t31 ON t31.I=x.I JOIN t32 ON t32.I=x.I JOIN t33 ON t33.I=x.I JOIN t34 ON t34.I=x.I JOIN t35 ON t35.I=x.I JOIN t36 ON t36.I=x.I JOIN t37 ON t37.I=x.I JOIN t38 ON t38.I=x.I JOIN t39 ON t39.I=x.I JOIN t40 ON t40.I=x.I JOIN t41 ON t41.I=x.I JOIN t42 ON t42.I=x.I JOIN t43 ON t43.I=x.I JOIN t44 ON t44.I=x.I JOIN t45 ON t45.I=x.I JOIN t46 ON t46.I=x.I JOIN t47 ON t47.I=x.I JOIN t48 ON t48.I=x.I JOIN t49 ON t49.I=x.I JOIN t50 ON t50.I=x.I JOIN t51 ON t51.I=x.I JOIN t52 ON t52.I=x.I JOIN t53 ON t53.I=x.I JOIN t54 ON t54.I=x.I JOIN t55 ON t55.I=x.I JOIN t56 ON t56.I=x.I JOIN t57 ON t57.I=x.I JOIN t58 ON t58.I=x.I JOIN t59 ON t59.I=x.I JOIN t60 ON t60.I=x.I; 3219select @@optimizer_prune_level; 3220select @@optimizer_search_depth; 3221EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I; 3222select @@optimizer_prune_level; 3223select @@optimizer_search_depth; 3224EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I; 3225select @@optimizer_prune_level; 3226select @@optimizer_search_depth; 3227EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I; 3228select @@optimizer_prune_level; 3229select @@optimizer_search_depth; 3230EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I; 3231select @@optimizer_prune_level; 3232select @@optimizer_search_depth; 3233EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I; 3234select @@optimizer_prune_level; 3235select @@optimizer_search_depth; 3236EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I; 3237select @@optimizer_prune_level; 3238select @@optimizer_search_depth; 3239EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 as t1 ON t1.I=x.I JOIN t1 as t2 ON t2.I=x.I JOIN t1 as t3 ON t3.I=x.I JOIN t1 as t4 ON t4.I=x.I JOIN t1 as t5 ON t5.I=x.I JOIN t1 as t6 ON t6.I=x.I JOIN t1 as t7 ON t7.I=x.I JOIN t1 as t8 ON t8.I=x.I JOIN t9 as t9 ON t9.I=x.I JOIN t9 as t10 ON t10.I=x.I JOIN t9 as t11 ON t11.I=x.I JOIN t9 as t12 ON t12.I=x.I JOIN t9 as t13 ON t13.I=x.I JOIN t9 as t14 ON t14.I=x.I JOIN t9 as t15 ON t15.I=x.I JOIN t9 as t16 ON t16.I=x.I JOIN t17 as t17 ON t17.I=x.I JOIN t17 as t18 ON t18.I=x.I JOIN t17 as t19 ON t19.I=x.I JOIN t17 as t20 ON t20.I=x.I JOIN t17 as t21 ON t21.I=x.I JOIN t17 as t22 ON t22.I=x.I JOIN t17 as t23 ON t23.I=x.I JOIN t17 as t24 ON t24.I=x.I JOIN t25 as t25 ON t25.I=x.I JOIN t25 as t26 ON t26.I=x.I JOIN t25 as t27 ON t27.I=x.I JOIN t25 as t28 ON t28.I=x.I JOIN t25 as t29 ON t29.I=x.I JOIN t25 as t30 ON t30.I=x.I JOIN t25 as t31 ON t31.I=x.I JOIN t25 as t32 ON t32.I=x.I JOIN t33 as t33 ON t33.I=x.I JOIN t33 as t34 ON t34.I=x.I JOIN t33 as t35 ON t35.I=x.I JOIN t33 as t36 ON t36.I=x.I JOIN t33 as t37 ON t37.I=x.I JOIN t33 as t38 ON t38.I=x.I JOIN t33 as t39 ON t39.I=x.I JOIN t33 as t40 ON t40.I=x.I JOIN t41 as t41 ON t41.I=x.I JOIN t41 as t42 ON t42.I=x.I JOIN t41 as t43 ON t43.I=x.I JOIN t41 as t44 ON t44.I=x.I JOIN t41 as t45 ON t45.I=x.I JOIN t41 as t46 ON t46.I=x.I JOIN t41 as t47 ON t47.I=x.I JOIN t41 as t48 ON t48.I=x.I JOIN t49 as t49 ON t49.I=x.I JOIN t49 as t50 ON t50.I=x.I JOIN t49 as t51 ON t51.I=x.I JOIN t49 as t52 ON t52.I=x.I JOIN t49 as t53 ON t53.I=x.I JOIN t49 as t54 ON t54.I=x.I JOIN t49 as t55 ON t55.I=x.I JOIN t49 as t56 ON t56.I=x.I; 3240EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I; 3241EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I; 3242EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I; 3243EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I; 3244EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I; 3245EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I; 3246EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I; 3247EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I; 3248EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I; 3249EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I; 3250EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I; 3251EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I; 3252EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I; 3253EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I; 3254EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.I = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.I = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.I = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.I = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.I = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.I = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.I = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.I = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.I = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.I = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.I = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.I = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.I = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.I = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.I = x.I; 3255EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I; 3256EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I; 3257EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I; 3258EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I; 3259EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I; 3260EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I; 3261EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I; 3262EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I; 3263EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I; 3264EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I; 3265EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I; 3266EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I; 3267EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I; 3268EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I; 3269EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.I = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.I = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.I = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.I = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.I = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.I = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.I = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.I = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.I = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.I = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.I = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.I = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.I = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.I = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.I = x.I JOIN t60 ON t60.K = x.I; 3270EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I; 3271EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I; 3272EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I; 3273EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I; 3274EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I; 3275EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I; 3276EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I; 3277EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I; 3278EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I; 3279EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I; 3280EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I; 3281EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I; 3282EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I; 3283EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I; 3284EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.I = x.I JOIN t2 ON t2.K = x.I JOIN t3 ON t3.K = x.I JOIN t4 ON t4.K = x.I JOIN t5 ON t5.I = x.I JOIN t6 ON t6.K = x.I JOIN t7 ON t7.K = x.I JOIN t8 ON t8.K = x.I JOIN t9 ON t9.I = x.I JOIN t10 ON t10.K = x.I JOIN t11 ON t11.K = x.I JOIN t12 ON t12.K = x.I JOIN t13 ON t13.I = x.I JOIN t14 ON t14.K = x.I JOIN t15 ON t15.K = x.I JOIN t16 ON t16.K = x.I JOIN t17 ON t17.I = x.I JOIN t18 ON t18.K = x.I JOIN t19 ON t19.K = x.I JOIN t20 ON t20.K = x.I JOIN t21 ON t21.I = x.I JOIN t22 ON t22.K = x.I JOIN t23 ON t23.K = x.I JOIN t24 ON t24.K = x.I JOIN t25 ON t25.I = x.I JOIN t26 ON t26.K = x.I JOIN t27 ON t27.K = x.I JOIN t28 ON t28.K = x.I JOIN t29 ON t29.I = x.I JOIN t30 ON t30.K = x.I JOIN t31 ON t31.K = x.I JOIN t32 ON t32.K = x.I JOIN t33 ON t33.I = x.I JOIN t34 ON t34.K = x.I JOIN t35 ON t35.K = x.I JOIN t36 ON t36.K = x.I JOIN t37 ON t37.I = x.I JOIN t38 ON t38.K = x.I JOIN t39 ON t39.K = x.I JOIN t40 ON t40.K = x.I JOIN t41 ON t41.I = x.I JOIN t42 ON t42.K = x.I JOIN t43 ON t43.K = x.I JOIN t44 ON t44.K = x.I JOIN t45 ON t45.I = x.I JOIN t46 ON t46.K = x.I JOIN t47 ON t47.K = x.I JOIN t48 ON t48.K = x.I JOIN t49 ON t49.I = x.I JOIN t50 ON t50.K = x.I JOIN t51 ON t51.K = x.I JOIN t52 ON t52.K = x.I JOIN t53 ON t53.I = x.I JOIN t54 ON t54.K = x.I JOIN t55 ON t55.K = x.I JOIN t56 ON t56.K = x.I JOIN t57 ON t57.I = x.I JOIN t58 ON t58.K = x.I JOIN t59 ON t59.K = x.I JOIN t60 ON t60.K = x.I; 3285EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I; 3286EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I; 3287EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I; 3288EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I; 3289EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I; 3290EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I; 3291EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I; 3292EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I; 3293EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I; 3294EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I; 3295EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I; 3296EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I; 3297EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I; 3298EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I; 3299EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I; 3300EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I; 3301EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I; 3302EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I; 3303EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I; 3304EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I; 3305EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I; 3306EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I; 3307EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I; 3308EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I; 3309EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I; 3310EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I; 3311EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I; 3312EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I; 3313EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I; 3314EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I; 3315EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I; 3316EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I; 3317EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I; 3318EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I; 3319EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I; 3320EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I; 3321EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I; 3322EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I; 3323EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I; 3324EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I; 3325EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I; 3326EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I; 3327EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I; 3328EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I; 3329EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I; 3330EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I; 3331EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I; 3332EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I; 3333EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I; 3334EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I; 3335EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I; 3336EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I; 3337EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I; 3338EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I; 3339EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I; 3340EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I; 3341EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I; 3342EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I; 3343EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I; 3344EXPLAIN SELECT COUNT(*) FROM t1 AS x JOIN t1 ON t1.K=x.I JOIN t2 ON t2.K=x.I JOIN t3 ON t3.K=x.I JOIN t4 ON t4.K=x.I JOIN t5 ON t5.K=x.I JOIN t6 ON t6.K=x.I JOIN t7 ON t7.K=x.I JOIN t8 ON t8.K=x.I JOIN t9 ON t9.K=x.I JOIN t10 ON t10.K=x.I JOIN t11 ON t11.K=x.I JOIN t12 ON t12.K=x.I JOIN t13 ON t13.K=x.I JOIN t14 ON t14.K=x.I JOIN t15 ON t15.K=x.I JOIN t16 ON t16.K=x.I JOIN t17 ON t17.K=x.I JOIN t18 ON t18.K=x.I JOIN t19 ON t19.K=x.I JOIN t20 ON t20.K=x.I JOIN t21 ON t21.K=x.I JOIN t22 ON t22.K=x.I JOIN t23 ON t23.K=x.I JOIN t24 ON t24.K=x.I JOIN t25 ON t25.K=x.I JOIN t26 ON t26.K=x.I JOIN t27 ON t27.K=x.I JOIN t28 ON t28.K=x.I JOIN t29 ON t29.K=x.I JOIN t30 ON t30.K=x.I JOIN t31 ON t31.K=x.I JOIN t32 ON t32.K=x.I JOIN t33 ON t33.K=x.I JOIN t34 ON t34.K=x.I JOIN t35 ON t35.K=x.I JOIN t36 ON t36.K=x.I JOIN t37 ON t37.K=x.I JOIN t38 ON t38.K=x.I JOIN t39 ON t39.K=x.I JOIN t40 ON t40.K=x.I JOIN t41 ON t41.K=x.I JOIN t42 ON t42.K=x.I JOIN t43 ON t43.K=x.I JOIN t44 ON t44.K=x.I JOIN t45 ON t45.K=x.I JOIN t46 ON t46.K=x.I JOIN t47 ON t47.K=x.I JOIN t48 ON t48.K=x.I JOIN t49 ON t49.K=x.I JOIN t50 ON t50.K=x.I JOIN t51 ON t51.K=x.I JOIN t52 ON t52.K=x.I JOIN t53 ON t53.K=x.I JOIN t54 ON t54.K=x.I JOIN t55 ON t55.K=x.I JOIN t56 ON t56.K=x.I JOIN t57 ON t57.K=x.I JOIN t58 ON t58.K=x.I JOIN t59 ON t59.K=x.I JOIN t60 ON t60.K=x.I; 3345DROP TABLE t100, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, t27, t28, t29, t30, t31, t32, t33, t34, t35, t36, t37, t38, t39, t40, t41, t42, t43, t44, t45, t46, t47, t48, t49, t50, t51, t52, t53, t54, t55, t56, t57, t58, t59, t60, t61; 3346SET OPTIMIZER_SEARCH_DEPTH = DEFAULT; 3347END OF 5.6 TESTS 3348