set @@join_buffer_size=256*1024; set @save_optimizer_switch=@@optimizer_switch; create table t1 (a int, b int); create table t2 (c int, d int); insert into t1 values (1,1),(2,2); insert into t2 values (2,2),(3,3); (select a,b from t1) intersect (select c,d from t2); a b 2 2 drop tables t1,t2; create table t1 (a int, b int) engine=MyISAM; create table t2 (c int, d int) engine=MyISAM; create table t3 (e int, f int) engine=MyISAM; insert into t1 values (1,1),(2,2),(3,3); insert into t2 values (2,2),(3,3),(4,4); insert into t3 values (1,1),(2,2),(5,5); (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); a b 2 2 EXPLAIN (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 2 INTERSECT t2 ALL NULL NULL NULL NULL 3 3 INTERSECT t3 ALL NULL NULL NULL NULL 3 NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL EXPLAIN extended (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 2 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00 3 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#3 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`) EXPLAIN extended select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY ALL NULL NULL NULL NULL 3 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 3 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00 4 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#3 */ 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`)) `a` EXPLAIN format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); EXPLAIN { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "query_specifications": [ { "query_block": { "select_id": 1, "table": { "table_name": "t1", "access_type": "ALL", "rows": 3, "filtered": 100 } } }, { "query_block": { "select_id": 2, "operation": "INTERSECT", "table": { "table_name": "t2", "access_type": "ALL", "rows": 3, "filtered": 100 } } }, { "query_block": { "select_id": 3, "operation": "INTERSECT", "table": { "table_name": "t3", "access_type": "ALL", "rows": 3, "filtered": 100 } } } ] } } } ANALYZE format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); ANALYZE { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "r_loops": 1, "r_rows": 1, "query_specifications": [ { "query_block": { "select_id": 1, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t1", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 2, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t2", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 3, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t3", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } } ] } } } ANALYZE format=json select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a; ANALYZE { "query_block": { "select_id": 1, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 1, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100, "materialized": { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "r_loops": 1, "r_rows": 1, "query_specifications": [ { "query_block": { "select_id": 2, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t1", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 3, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t2", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 4, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t3", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } } ] } } } } } } select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a; a b 2 2 prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);"; execute stmt; a b 2 2 execute stmt; a b 2 2 prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a"; execute stmt; a b 2 2 execute stmt; a b 2 2 (select a,b from t1) intersect (select c,e from t2,t3); a b 2 2 EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 2 INTERSECT t2 ALL NULL NULL NULL NULL 3 2 INTERSECT t3 ALL NULL NULL NULL NULL 3 Using join buffer (flat, BNL join) NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 2 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00 2 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join) NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t3`.`e` AS `e` from `test`.`t2` join `test`.`t3`) EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY ALL NULL NULL NULL NULL 3 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 3 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00 3 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join) NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t3`.`e` AS `e` from `test`.`t2` join `test`.`t3`)) `a` set @@optimizer_switch='optimize_join_buffer_size=off'; EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3); EXPLAIN { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "query_specifications": [ { "query_block": { "select_id": 1, "table": { "table_name": "t1", "access_type": "ALL", "rows": 3, "filtered": 100 } } }, { "query_block": { "select_id": 2, "operation": "INTERSECT", "table": { "table_name": "t2", "access_type": "ALL", "rows": 3, "filtered": 100 }, "block-nl-join": { "table": { "table_name": "t3", "access_type": "ALL", "rows": 3, "filtered": 100 }, "buffer_type": "flat", "buffer_size": "256Kb", "join_type": "BNL" } } } ] } } } ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3); ANALYZE { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "r_loops": 1, "r_rows": 1, "query_specifications": [ { "query_block": { "select_id": 1, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t1", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 2, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t2", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 }, "block-nl-join": { "table": { "table_name": "t3", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 }, "buffer_type": "flat", "buffer_size": "256Kb", "join_type": "BNL", "r_filtered": 100 } } } ] } } } ANALYZE format=json select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; ANALYZE { "query_block": { "select_id": 1, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 1, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100, "materialized": { "query_block": { "union_result": { "table_name": "", "access_type": "ALL", "r_loops": 1, "r_rows": 1, "query_specifications": [ { "query_block": { "select_id": 2, "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t1", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 } } }, { "query_block": { "select_id": 3, "operation": "INTERSECT", "r_loops": 1, "r_total_time_ms": "REPLACED", "table": { "table_name": "t2", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 }, "block-nl-join": { "table": { "table_name": "t3", "access_type": "ALL", "r_loops": 1, "rows": 3, "r_rows": 3, "r_total_time_ms": "REPLACED", "filtered": 100, "r_filtered": 100 }, "buffer_type": "flat", "buffer_size": "256Kb", "join_type": "BNL", "r_filtered": 100 } } } ] } } } } } } set @@optimizer_switch=@save_optimizer_switch; select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; a b 2 2 prepare stmt from "(select a,b from t1) intersect (select c,e from t2,t3);"; execute stmt; a b 2 2 execute stmt; a b 2 2 prepare stmt from "select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a"; execute stmt; a b 2 2 execute stmt; a b 2 2 drop tables t1,t2,t3; select 1 as a from dual intersect select 1 from dual; a 1 (select 1 from dual) intersect (select 1 from dual); 1 1 (select 1 from dual into @v) intersect (select 1 from dual); ERROR HY000: Incorrect usage of INTERSECT and INTO select 1 from dual ORDER BY 1 intersect select 1 from dual; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'intersect select 1 from dual' at line 1 select 1 as a from dual union all select 1 from dual; a 1 1 select 1 from dual intersect all select 1 from dual; ERROR HY000: Incorrect usage of INTERSECT and ALL create table t1 (a int, b blob, a1 int, b1 blob); create table t2 (c int, d blob, c1 int, d1 blob); insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt"); insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg"); (select a,b,b1 from t1) intersect (select c,d,d1 from t2); a b b1 2 fgh dffggtt drop tables t1,t2; create table t1 (a int, b blob) engine=MyISAM; create table t2 (c int, d blob) engine=MyISAM; create table t3 (e int, f blob) engine=MyISAM; insert into t1 values (1,1),(2,2),(3,3); insert into t2 values (2,2),(3,3),(4,4); insert into t3 values (1,1),(2,2),(5,5); (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); a b 2 2 select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a; a b 2 2 prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);"; execute stmt; a b 2 2 execute stmt; a b 2 2 prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a"; execute stmt; a b 2 2 execute stmt; a b 2 2 create table t4 (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3); show create table t4; Table Create Table t4 CREATE TABLE `t4` ( `a` int(11) DEFAULT NULL, `b` blob DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 drop tables t1,t2,t3,t4; create table t1 (a int, b blob) engine=MyISAM; create table t2 (c int, d blob) engine=MyISAM; create table t3 (e int, f blob) engine=MyISAM; insert into t1 values (1,1),(2,2),(3,3); insert into t2 values (2,2),(3,3); insert into t3 values (1,1),(2,2),(3,3); (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4); a b 2 2 3 3 4 4 (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); a b 3 3 4 4 drop tables t1,t2,t3; create table t1 (a int, b int); create table t2 (c int, d int); create table t3 (e int, f int); insert into t1 values (1,1),(2,2),(3,3); insert into t2 values (2,2),(3,3); insert into t3 values (1,1),(2,2),(3,3); (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4); a b 2 2 3 3 4 4 (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); a b 3 3 4 4 drop tables t1,t2,t3; # # INTERSECT precedence # create table t1 (a int, b blob) engine=MyISAM; create table t2 (c int, d blob) engine=MyISAM; create table t3 (e int, f blob) engine=MyISAM; insert into t1 values (5,5),(6,6); insert into t2 values (2,2),(3,3); insert into t3 values (1,1),(3,3); (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); a b 3 3 4 4 5 5 6 6 explain extended (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 3 UNION ALL NULL NULL NULL NULL 2 100.00 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 4 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00 NULL INTERSECT RESULT ALL NULL NULL NULL NULL NULL NULL 5 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used NULL UNION RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* 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`) set SQL_MODE=ORACLE; (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); a b 3 3 4 4 explain extended (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 2 UNION t2 ALL NULL NULL NULL NULL 2 100.00 3 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00 4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used NULL UNIT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* select#1 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1") union (/* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2") intersect (/* select#3 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3") union (/* select#4 */ select 4 AS "4",4 AS "4") set SQL_MODE=default; (select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4); e f 3 3 4 4 5 5 6 6 explain extended (select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00 3 UNION t1 ALL NULL NULL NULL NULL 2 100.00 4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used NULL UNIT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* select#1 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) union (/* select#3 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union (/* select#4 */ select 4 AS `4`,4 AS `4`) set SQL_MODE=ORACLE; (select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4); e f 3 3 4 4 5 5 6 6 explain extended (select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00 3 UNION t1 ALL NULL NULL NULL NULL 2 100.00 4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used NULL UNIT RESULT ALL NULL NULL NULL NULL NULL NULL Warnings: Note 1003 (/* select#1 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3") intersect (/* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2") union (/* select#3 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1") union (/* select#4 */ select 4 AS "4",4 AS "4") set SQL_MODE=default; (/* 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`); a b 3 3 4 4 5 5 6 6 prepare stmt from "(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4)"; execute stmt; a b 5 5 6 6 3 3 4 4 execute stmt; a b 5 5 6 6 3 3 4 4 create view v1 as (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); select b,a,b+1 from v1; b a b+1 3 3 4 4 4 5 5 5 6 6 6 7 select b,a,b+1 from v1 where a > 3; b a b+1 4 4 5 5 5 6 6 6 7 create procedure p1() select * from v1; call p1(); a b 3 3 4 4 5 5 6 6 call p1(); a b 3 3 4 4 5 5 6 6 drop procedure p1; create procedure p1() (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4); call p1(); a b 3 3 4 4 5 5 6 6 call p1(); a b 3 3 4 4 5 5 6 6 drop procedure p1; show create view v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS (select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (select 4 AS `4`,4 AS `4`) latin1 latin1_swedish_ci drop view v1; drop tables t1,t2,t3; # # MDEV-14346:incorrect result of intersect with ANY/ALL/IN subquery # CREATE TABLE t (i INT); INSERT INTO t VALUES (1),(2); SELECT * FROM t WHERE i != ANY ( SELECT 6 INTERSECT SELECT 3 ); i select i from t where exists ((select 6 as r from dual having t.i <> 6) intersect (select 3 from dual having t.i <> 3)); i drop table t; # # MDEV-13749: Server crashes in _ma_unique_hash / # JOIN_CACHE::generate_full_extensions on INTERSECT # CREATE TABLE t1 (a varchar(32)) ENGINE=MyISAM; INSERT INTO t1 VALUES ('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'), ('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'), ('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'), ('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'), ('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'), ('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'), ('Vaduz'); CREATE TABLE t2 (b varchar(32)) ENGINE=MyISAM; INSERT INTO t2 VALUES ('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'), ('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'), ('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'), ('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'), ('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'), ('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'), ('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'), ('Norilsk'),('Izhevsk'),('Istanbul'),('Nice'); CREATE TABLE t3 (c varchar(32)) ENGINE=MyISAM; INSERT INTO t3 VALUES ('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'), ('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'), ('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'), ('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne'); select count(*) from ( SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b INTERSECT SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b ) a; count(*) 14848 drop table t1,t2,t3; CREATE TABLE t1 (a varchar(32) not null) ENGINE=MyISAM; INSERT INTO t1 VALUES ('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'), ('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'), ('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'), ('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'), ('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'), ('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'), ('Vaduz'); CREATE TABLE t2 (b varchar(32) not null) ENGINE=MyISAM; INSERT INTO t2 VALUES ('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'), ('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'), ('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'), ('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'), ('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'), ('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'), ('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'), ('Norilsk'),('Izhevsk'),('Istanbul'),('Nice'); CREATE TABLE t3 (c varchar(32) not null) ENGINE=MyISAM; INSERT INTO t3 VALUES ('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'), ('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'), ('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'), ('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne'); select count(*) from ( SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b INTERSECT SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b ) a; count(*) 14848 drop table t1,t2,t3; # # MDEV-13695: INTERSECT precedence is not in line with Oracle even # in SQL_MODE=Oracle # create table t12(c1 int); insert into t12 values(1); insert into t12 values(2); create table t13(c1 int); insert into t13 values(1); insert into t13 values(3); create table t234(c1 int); insert into t234 values(2); insert into t234 values(3); insert into t234 values(4); set SQL_MODE=oracle; select * from t13 union select * from t234 intersect select * from t12; c1 1 2 set SQL_MODE=default; select * from t13 union select * from t234 intersect select * from t12; c1 1 2 3 drop table t12,t13,t234; # End of 10.3 tests