1SET DEFAULT_STORAGE_ENGINE='tokudb'; 2*** Bug #22169 *** 3DROP TABLE IF EXISTS z1; 4create table z1 (a int, b int, c int, d int, e int, primary key (c,d), key (a,b) clustering=yes); 5insert into z1 values (1,1,1,1,1), (1,2,3,4,5), (3,4,1,100,1),(3,4,1,2,3),(3,5,1,21,1),(7,8,4,2,6),(9,10,34,3,2); 6insert into z1 values (-1,-1,-1,-1,-1), (-1,-2,-3,-4,-5), (-3,-4,-1,-100,-1),(-3,-4,-1,-2,-3),(-3,-5,-1,-21,-1),(-7,-8,-4,-2,-6),(-9,-10,-34,-3,-2); 7select * from z1 group by a,b; 8a b c d e 9-9 -10 -34 -3 -2 10-7 -8 -4 -2 -6 11-3 -5 -1 -21 -1 12-3 -4 -1 -100 -1 13-1 -2 -3 -4 -5 14-1 -1 -1 -1 -1 151 1 1 1 1 161 2 3 4 5 173 4 1 2 3 183 5 1 21 1 197 8 4 2 6 209 10 34 3 2 21explain select a,b from z1 where a > 1; 22id select_type table type possible_keys key key_len ref rows Extra 231 SIMPLE z1 range a a 5 NULL 5 Using where; Using index 24select a,b from z1 where a > 1; 25a b 263 4 273 4 283 5 297 8 309 10 31explain select a,b from z1 where a >=1 and b > 1; 32id select_type table type possible_keys key key_len ref rows Extra 331 SIMPLE z1 range a a 10 NULL 6 Using where; Using index 34select a,b from z1 where a >=1 and b > 1; 35a b 361 2 373 4 383 4 393 5 407 8 419 10 42explain select a,b from z1 where a > 3; 43id select_type table type possible_keys key key_len ref rows Extra 441 SIMPLE z1 range a a 5 NULL 2 Using where; Using index 45select a,b from z1 where a > 3; 46a b 477 8 489 10 49explain select a,b from z1 where a >=3 and b > 4; 50id select_type table type possible_keys key key_len ref rows Extra 511 SIMPLE z1 range a a 10 NULL 3 Using where; Using index 52select a,b from z1 where a >=3 and b > 4; 53a b 543 5 557 8 569 10 57select distinct a from z1; 58a 59-9 60-7 61-3 62-1 631 643 657 669 67DROP TABLE z1; 68