1# For explain
2set @@join_buffer_size=256*1024;
3set @save_optimizer_switch=@@optimizer_switch;
4
5create table t1 (a int, b int);
6create table t2 (c int, d int);
7insert into t1 values (1,1),(2,2);
8insert into t2 values (2,2),(3,3);
9
10(select a,b from t1) intersect (select c,d from t2);
11
12drop tables t1,t2;
13
14
15create table t1 (a int, b int) engine=MyISAM;
16create table t2 (c int, d int) engine=MyISAM;
17create table t3 (e int, f int) engine=MyISAM;
18insert into t1 values (1,1),(2,2),(3,3);
19insert into t2 values (2,2),(3,3),(4,4);
20insert into t3 values (1,1),(2,2),(5,5);
21
22(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
23EXPLAIN (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
24EXPLAIN extended (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
25EXPLAIN extended select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
26EXPLAIN format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
27--replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/
28ANALYZE format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
29--replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/
30ANALYZE format=json select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
31select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
32
33prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
34execute stmt;
35execute stmt;
36
37prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
38execute stmt;
39execute stmt;
40
41(select a,b from t1) intersect (select c,e from t2,t3);
42EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3);
43EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3);
44EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
45set @@optimizer_switch='optimize_join_buffer_size=off';
46EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3);
47--replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/
48ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3);
49--replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/
50ANALYZE format=json select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
51set @@optimizer_switch=@save_optimizer_switch;
52select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
53
54prepare stmt from "(select a,b from t1) intersect (select c,e from t2,t3);";
55execute stmt;
56execute stmt;
57
58prepare stmt from "select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a";
59execute stmt;
60execute stmt;
61
62
63drop tables t1,t2,t3;
64
65
66select 1 as a from dual intersect select 1 from dual;
67(select 1 from dual) intersect (select 1 from dual);
68--error ER_WRONG_USAGE
69(select 1 from dual into @v) intersect (select 1 from dual);
70--error ER_PARSE_ERROR
71select 1 from dual ORDER BY 1 intersect select 1 from dual;
72
73select 1 as a from dual union all select 1 from dual;
74--error ER_WRONG_USAGE
75select 1 from dual intersect all select 1 from dual;
76
77
78
79create table t1 (a int, b blob, a1 int, b1 blob);
80create table t2 (c int, d blob, c1 int, d1 blob);
81insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");
82insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg");
83
84(select a,b,b1 from t1) intersect (select c,d,d1 from t2);
85
86drop tables t1,t2;
87
88create table t1 (a int, b blob) engine=MyISAM;
89create table t2 (c int, d blob) engine=MyISAM;
90create table t3 (e int, f blob) engine=MyISAM;
91insert into t1 values (1,1),(2,2),(3,3);
92insert into t2 values (2,2),(3,3),(4,4);
93insert into t3 values (1,1),(2,2),(5,5);
94
95(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
96select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
97
98prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
99execute stmt;
100execute stmt;
101
102prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
103execute stmt;
104execute stmt;
105
106# make sure that blob is used
107create table t4  (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
108show create table t4;
109
110drop tables t1,t2,t3,t4;
111
112create table t1 (a int, b blob) engine=MyISAM;
113create table t2 (c int, d blob) engine=MyISAM;
114create table t3 (e int, f blob) engine=MyISAM;
115insert into t1 values (1,1),(2,2),(3,3);
116insert into t2 values (2,2),(3,3);
117insert into t3 values (1,1),(2,2),(3,3);
118
119
120--sorted_result
121(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
122--sorted_result
123(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
124
125drop tables t1,t2,t3;
126
127create table t1 (a int, b int);
128create table t2 (c int, d int);
129create table t3 (e int, f int);
130insert into t1 values (1,1),(2,2),(3,3);
131insert into t2 values (2,2),(3,3);
132insert into t3 values (1,1),(2,2),(3,3);
133
134--sorted_result
135(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
136--sorted_result
137(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
138
139drop tables t1,t2,t3;
140
141
142--echo #
143--echo # INTERSECT precedence
144--echo #
145create table t1 (a int, b blob) engine=MyISAM;
146create table t2 (c int, d blob) engine=MyISAM;
147create table t3 (e int, f blob) engine=MyISAM;
148insert into t1 values (5,5),(6,6);
149insert into t2 values (2,2),(3,3);
150insert into t3 values (1,1),(3,3);
151
152--sorted_result
153(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
154explain extended
155(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
156set SQL_MODE=ORACLE;
157--sorted_result
158(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
159explain extended
160(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
161set SQL_MODE=default;
162
163
164# test result of linear mix operation
165--sorted_result
166(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
167explain extended
168(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
169set SQL_MODE=ORACLE;
170--sorted_result
171(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
172explain extended
173(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
174set SQL_MODE=default;
175
176--sorted_result
177(/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union /* select#3 */ select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (/* select#5 */ select 4 AS `4`,4 AS `4`);
178
179--sorted_result
180prepare stmt from "(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4)";
181execute stmt;
182execute stmt;
183
184create view v1 as (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
185
186--sorted_result
187select b,a,b+1 from v1;
188--sorted_result
189select b,a,b+1 from v1 where a > 3;
190
191create procedure p1()
192  select * from v1;
193--sorted_result
194call p1();
195--sorted_result
196call p1();
197drop procedure p1;
198
199create procedure p1()
200  (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
201--sorted_result
202call p1();
203--sorted_result
204call p1();
205drop procedure p1;
206
207show create view v1;
208
209drop view v1;
210drop tables t1,t2,t3;
211
212--echo #
213--echo # MDEV-14346:incorrect result of intersect with ANY/ALL/IN subquery
214--echo #
215CREATE TABLE t (i INT);
216INSERT INTO t VALUES (1),(2);
217SELECT * FROM t WHERE i != ANY ( SELECT 6 INTERSECT SELECT 3 );
218
219select i from t where
220   exists ((select 6 as r from dual having t.i <> 6)
221           intersect
222           (select 3 from dual having t.i <> 3));
223
224drop table t;
225
226
227--echo #
228--echo # MDEV-13749: Server crashes in _ma_unique_hash /
229--echo # JOIN_CACHE::generate_full_extensions on INTERSECT
230--echo #
231
232CREATE TABLE t1 (a varchar(32)) ENGINE=MyISAM;
233INSERT INTO t1 VALUES
234('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'),
235('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'),
236('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'),
237('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'),
238('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'),
239('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'),
240('Vaduz');
241
242CREATE TABLE t2 (b varchar(32)) ENGINE=MyISAM;
243INSERT INTO t2 VALUES
244('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'),
245('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'),
246('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'),
247('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'),
248('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'),
249('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'),
250('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'),
251('Norilsk'),('Izhevsk'),('Istanbul'),('Nice');
252
253CREATE TABLE t3 (c varchar(32)) ENGINE=MyISAM;
254INSERT INTO t3 VALUES
255('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'),
256('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'),
257('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'),
258('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne');
259
260select count(*) from (
261  SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
262  INTERSECT
263  SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
264) a;
265
266drop table t1,t2,t3;
267
268CREATE TABLE t1 (a varchar(32) not null) ENGINE=MyISAM;
269INSERT INTO t1 VALUES
270('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'),
271('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'),
272('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'),
273('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'),
274('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'),
275('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'),
276('Vaduz');
277
278CREATE TABLE t2 (b varchar(32) not null) ENGINE=MyISAM;
279INSERT INTO t2 VALUES
280('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'),
281('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'),
282('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'),
283('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'),
284('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'),
285('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'),
286('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'),
287('Norilsk'),('Izhevsk'),('Istanbul'),('Nice');
288
289CREATE TABLE t3 (c varchar(32) not null) ENGINE=MyISAM;
290INSERT INTO t3 VALUES
291('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'),
292('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'),
293('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'),
294('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne');
295
296select count(*) from (
297  SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
298  INTERSECT
299  SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
300) a;
301
302drop table t1,t2,t3;
303
304--echo #
305--echo # MDEV-13695: INTERSECT precedence is not in line with Oracle even
306--echo # in SQL_MODE=Oracle
307--echo #
308
309create table t12(c1 int);
310insert into t12 values(1);
311insert into t12 values(2);
312create table t13(c1 int);
313insert into t13 values(1);
314insert into t13 values(3);
315create table t234(c1 int);
316insert into t234 values(2);
317insert into t234 values(3);
318insert into t234 values(4);
319
320set SQL_MODE=oracle;
321--sorted_result
322select * from t13 union select * from t234 intersect select * from t12;
323set SQL_MODE=default;
324--sorted_result
325select * from t13 union select * from t234 intersect select * from t12;
326
327drop table t12,t13,t234;
328
329--echo # End of 10.3 tests
330