diff options
Diffstat (limited to 'mysql-test/main/subselect_exists2in.result')
| -rw-r--r-- | mysql-test/main/subselect_exists2in.result | 975 |
1 files changed, 975 insertions, 0 deletions
diff --git a/mysql-test/main/subselect_exists2in.result b/mysql-test/main/subselect_exists2in.result new file mode 100644 index 00000000000..95fc1c19b82 --- /dev/null +++ b/mysql-test/main/subselect_exists2in.result @@ -0,0 +1,975 @@ +drop table if exists t1,t2,t3; +set optimizer_switch='exists_to_in=on'; +# +# LP BUG#884644 exists2in broke name resolution +# +CREATE TABLE t1 (f1 integer); +SELECT * FROM t1 WHERE EXISTS (SELECT NO_SUCH_TABLE.NO_SUCH_FIELD FROM t1); +ERROR 42S22: Unknown column 'NO_SUCH_TABLE.NO_SUCH_FIELD' in 'field list' +drop table t1; +# +# LP BUG#884657 Wrong result with exists2in , correlated subquery +# +CREATE TABLE t1 ( a varchar(1)) ; +INSERT INTO t1 VALUES ('c'),('b'); +CREATE TABLE t2 ( b varchar(1)) ; +INSERT INTO t2 VALUES ('v'),('v'),('c'),(NULL),('x'),('i'),('e'),('p'),('s'),('j'),('z'),('c'),('a'),('q'),('y'),(NULL),('r'),('v'),(NULL),('r'); +CREATE TABLE t3 ( a int NOT NULL , b varchar(1)) ; +INSERT INTO t3 VALUES (29,'c'); +SELECT * +FROM t1, t2 +WHERE EXISTS ( +SELECT a +FROM t3 +WHERE t3.b = t1.a +AND t3.b <> t2.b +); +a b +c v +c v +c x +c i +c e +c p +c s +c j +c z +c a +c q +c y +c r +c v +c r +INSERT INTO t3 VALUES (2,'c'); +alter table t1 add index aa (a); +alter table t3 add index bb (b); +-- EXIST to IN then semijoin (has priority over IN to EXISTS) +set optimizer_switch='exists_to_in=on,in_to_exists=on,semijoin=on,materialization=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +a +c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index aa aa 4 NULL 2 100.00 Using index +1 PRIMARY t3 ALL bb NULL NULL NULL 2 100.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join) +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t3`) where `test`.`t3`.`b` = `test`.`t1`.`a` +-- EXIST to IN then IN to EXISTS +set optimizer_switch='exists_to_in=on,in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +a +c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 4 NULL 2 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t3`.`b` from `test`.`t3` where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b`)) +-- EXIST2IN then MATERIALIZATION +set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +a +c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 4 NULL 2 100.00 Using where; Using index +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t3`.`b` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`))) +-- NO EXIST2IN +set optimizer_switch='exists_to_in=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +a +c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 4 NULL 2 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a`) +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +drop table t1,t2,t3; +# +# From group_min_max.test +# +create table t1 ( +a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' ' +); +insert into t1 (a1, a2, b, c, d) values +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'), +('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'), +('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'), +('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'), +('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'), +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'), +('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'), +('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'), +('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'), +('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'); +create index idx_t1_0 on t1 (a1); +create index idx_t1_1 on t1 (a1,a2,b,c); +create index idx_t1_2 on t1 (a1,a2,b); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Table is already up to date +create table t2 ( +a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(64) default ' ' +); +insert into t2 select * from t1; +insert into t2 (a1, a2, b, c, d) values +('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'), +('a','a','a',NULL,'xyz'), +('a','a','b',NULL,'xyz'), +('a','b','a',NULL,'xyz'), +('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'), +('d','b','b',NULL,'xyz'), +('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'), +('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'), +('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'), +('a','a','a',NULL,'xyz'), +('a','a','b',NULL,'xyz'), +('a','b','a',NULL,'xyz'), +('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'), +('d','b','b',NULL,'xyz'), +('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'), +('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'); +create index idx_t2_0 on t2 (a1); +create index idx_t2_1 on t2 (a1,a2,b,c); +create index idx_t2_2 on t2 (a1,a2,b); +analyze table t2; +Table Op Msg_type Msg_text +test.t2 analyze status Table is already up to date +create table t3 ( +a1 char(1), a2 char(1), b char(1), c char(4) not null, d char(3), dummy char(1) default ' ' +); +insert into t3 (a1, a2, b, c, d) values +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'); +insert into t3 (a1, a2, b, c, d) values +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'); +insert into t3 (a1, a2, b, c, d) values +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'); +insert into t3 (a1, a2, b, c, d) values +('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), +('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), +('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'), +('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'), +('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'), +('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'), +('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'), +('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'), +('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'), +('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'), +('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'), +('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'); +create index idx_t3_0 on t3 (a1); +create index idx_t3_1 on t3 (a1,a2,b,c); +create index idx_t3_2 on t3 (a1,a2,b); +analyze table t3; +Table Op Msg_type Msg_text +test.t3 analyze status Table is already up to date +explain select a1,a2,b,c,min(c), max(c) from t1 +where exists ( select * from t2 +where t2.c in (select c from t3 where t3.c > t1.b) and +t2.c > 'b1' ) +group by a1,a2,b; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index +2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index +2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join) +select a1,a2,b,c,min(c), max(c) from t1 +where exists ( select * from t2 +where t2.c in (select c from t3 where t3.c > t1.b) and +t2.c > 'b1' ) +group by a1,a2,b; +a1 a2 b c min(c) max(c) +a a a a111 a111 d111 +a a b e112 e112 h112 +a b a i121 i121 l121 +a b b m122 m122 p122 +b a a a211 a211 d211 +b a b e212 e212 h212 +b b a i221 i221 l221 +b b b m222 m222 p222 +c a a a311 a311 d311 +c a b e312 e312 h312 +c b a i321 i321 l321 +c b b m322 m322 p322 +d a a a411 a411 d411 +d a b e412 e412 h412 +d b a i421 i421 l421 +d b b m422 m422 p422 +explain select a1,a2,b,c,min(c), max(c) from t1 +where exists ( select * from t2 +where t2.c in (select c from t3 where t3.c > t1.c) and +t2.c > 'b1' ) +group by a1,a2,b; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index +2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index +2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join) +select a1,a2,b,c,min(c), max(c) from t1 +where exists ( select * from t2 +where t2.c in (select c from t3 where t3.c > t1.c) and +t2.c > 'b1' ) +group by a1,a2,b; +a1 a2 b c min(c) max(c) +a a a a111 a111 d111 +a a b e112 e112 h112 +a b a i121 i121 l121 +a b b m122 m122 p122 +b a a a211 a211 d211 +b a b e212 e212 h212 +b b a i221 i221 l221 +b b b m222 m222 p222 +c a a a311 a311 d311 +c a b e312 e312 h312 +c b a i321 i321 l321 +c b b m322 m322 o322 +d a a a411 a411 d411 +d a b e412 e412 h412 +d b a i421 i421 l421 +d b b m422 m422 o422 +drop table t1, t2, t3; +CREATE TABLE t1 ( a INT ); +INSERT INTO t1 VALUES (7),(0); +CREATE TABLE t2 ( b INT ); +INSERT INTO t2 VALUES (0),(8); +SELECT * FROM t1 WHERE +EXISTS ( SELECT * FROM t2 WHERE b = a ) +OR a > 0; +a +7 +0 +explain extended +SELECT * FROM t1 WHERE +EXISTS ( SELECT * FROM t2 WHERE b = a ) +OR a > 0; +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 Using where +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`)))) or `test`.`t1`.`a` > 0 +drop tables t1,t2; +CREATE TABLE t1 ( a INT ); +INSERT INTO t1 VALUES (1),(5); +CREATE TABLE t2 ( b INT ) ENGINE=MyISAM; +INSERT INTO t2 VALUES (1); +CREATE TABLE t3 ( c INT ); +INSERT INTO t3 VALUES (4),(5); +SET optimizer_switch='exists_to_in=on,subquery_cache=off,materialization=on,in_to_exists=off,semijoin=off'; +explain extended +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +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 SUBQUERY t2 system NULL NULL NULL NULL 1 100.00 +3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 +Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) +1 +1 +SET optimizer_switch='exists_to_in=on,subquery_cache=off'; +explain extended +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +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 SUBQUERY t2 system NULL NULL NULL NULL 1 100.00 +3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 +Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) +1 +1 +SET optimizer_switch='exists_to_in=off,subquery_cache=off'; +explain extended +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +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 SUBQUERY t2 system NULL NULL NULL NULL 1 100.00 +3 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 +Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !exists(/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` = 1)) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` +SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; +( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) +1 +1 +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +drop table t1,t2,t3; +# multi condition test +CREATE TABLE t1 ( a varchar(1), a1 varchar(1)) ; +INSERT INTO t1 VALUES ('c', 'c'), ('b', 'b'); +CREATE TABLE t3 ( a int NOT NULL , b varchar(1), b1 varchar(1)) ; +INSERT INTO t3 VALUES (29,'c','c'); +INSERT INTO t3 VALUES (2,'c','c'); +alter table t1 add index aa (a,a1); +alter table t3 add index bb (b,b1); +-- EXIST to IN then semijoin (has priority over IN to EXISTS) +set optimizer_switch='exists_to_in=on,in_to_exists=on,semijoin=on,materialization=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +a a1 +c c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t3 index bb bb 8 NULL 2 100.00 Using where; Using index; LooseScan +1 PRIMARY t1 ref aa aa 8 test.t3.b,test.t3.b1 2 100.00 Using index +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` semi join (`test`.`t3`) where `test`.`t1`.`a` = `test`.`t3`.`b` and `test`.`t1`.`a1` = `test`.`t3`.`b1` +-- EXIST to IN then IN to EXISTS +set optimizer_switch='exists_to_in=on,in_to_exists=on,semijoin=off,materialization=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +a a1 +c c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 8 NULL 2 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t3 index_subquery bb bb 8 func,func 2 100.00 Using index; Using where +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t3 on bb where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b` and <cache>(`test`.`t1`.`a1`) = `test`.`t3`.`b1`))) +-- EXIST2IN then MATERIALIZATION +set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +a a1 +c c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 8 NULL 2 100.00 Using where; Using index +2 MATERIALIZED t3 index NULL bb 8 NULL 2 100.00 Using index +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),(`test`.`t1`.`a`,`test`.`t1`.`a1`) in ( <materialize> (/* select#2 */ select `test`.`t3`.`b`,`test`.`t3`.`b1` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b` and `test`.`t1`.`a1` = `<subquery2>`.`b1`))) +-- NO EXIST2IN +set optimizer_switch='exists_to_in=off,subquery_cache=off'; +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +a a1 +c c +explain extended +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 index NULL aa 8 NULL 2 100.00 Using where; Using index +2 DEPENDENT SUBQUERY t3 ref bb bb 8 test.t1.a,test.t1.a1 2 100.00 Using index +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where exists(/* select#2 */ select 1 from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a` and `test`.`t3`.`b1` = `test`.`t1`.`a1`) +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +drop table t1,t3; +# +# MDEV-159 Assertion about not marked for read failed in +# String* Field_varstring::val_str(String*, String*) +# +SET optimizer_switch = REPLACE( @@optimizer_switch, '=on', '=off' ); +SET optimizer_switch='in_to_exists=on,exists_to_in=on'; +CREATE TABLE t1 ( a VARCHAR(1) ); +INSERT INTO t1 VALUES ('k'),('m'); +CREATE TABLE t2 ( b INT, +c VARCHAR(1), +d VARCHAR(1) NOT NULL ); +INSERT INTO t2 VALUES +(4,'j','j'),(6,'v','v'); +CREATE ALGORITHM=MERGE VIEW v AS SELECT * FROM t2 WHERE b < 1; +SELECT c FROM v +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= v.d AND b = v.b +); +c +explain extended +SELECT c FROM v +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= v.d AND b = v.b +); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1276 Field or reference 'v.d' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'v.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t2`.`c` AS `c` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`b`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`t2`.`d` and <cache>(`test`.`t2`.`b`) = `test`.`t2`.`b`)) and `test`.`t2`.`b` < 1 +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +drop view v; +drop table t1,t2; +# +# MDEV-160 Exists2In: Crash in in hp_movelink with subquery_cache=ON +# +SET optimizer_switch = 'in_to_exists=on,subquery_cache=on,exists_to_in=on'; +CREATE TABLE t1 ( +a VARCHAR(3) NOT NULL, +b VARCHAR(50) +); +INSERT INTO t1 VALUES +('USA','Chinese'),('USA','English'), +('FRA','French'),('ITA','Italian'); +CREATE TABLE t2 ( c VARCHAR(3) ); +INSERT INTO t2 VALUES ('USA'),('FRA'); +SELECT * FROM t1 AS alias1, t1 AS alias2 +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= alias2.a AND c = alias1.b +) OR alias1 .a = 'foo'; +a b a b +SELECT * FROM t1 AS alias1, t1 AS alias2 +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= alias2.a AND c = alias1.a +) OR alias1 .a = 'foo'; +a b a b +USA Chinese USA Chinese +USA English USA Chinese +FRA French USA Chinese +USA Chinese USA English +USA English USA English +FRA French USA English +USA Chinese FRA French +USA English FRA French +FRA French FRA French +USA Chinese ITA Italian +USA English ITA Italian +FRA French ITA Italian +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-160 Exists2In: Crash in in hp_movelink with subquery_cache=ON +# +SET optimizer_switch = 'in_to_exists=on,subquery_cache=on,exists_to_in=on'; +CREATE TABLE t1 ( +a VARCHAR(3) NOT NULL, +b VARCHAR(50) +); +INSERT INTO t1 VALUES +('USA','Chinese'),('USA','English'), +('FRA','French'),('ITA','Italian'); +CREATE TABLE t2 ( c VARCHAR(3) ); +INSERT INTO t2 VALUES ('USA'),('FRA'); +SELECT * FROM t1 AS alias1, t1 AS alias2 +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= alias2.a AND c = alias1.b +) OR alias1 .a = 'foo'; +a b a b +explain extended +SELECT * FROM t1 AS alias1, t1 AS alias2 +WHERE EXISTS ( +SELECT * FROM t1, t2 +WHERE a <= alias2.a AND c = alias1.b +) OR alias1 .a = 'foo'; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY alias1 ALL NULL NULL NULL NULL 4 100.00 +1 PRIMARY alias2 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1276 Field or reference 'test.alias2.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.alias1.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`alias1`.`a` AS `a`,`test`.`alias1`.`b` AS `b`,`test`.`alias2`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t1` `alias2` where <expr_cache><`test`.`alias1`.`b`,`test`.`alias2`.`a`>(<in_optimizer>(`test`.`alias1`.`b`,<exists>(/* select#2 */ select `test`.`t2`.`c` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`alias2`.`a` and <cache>(`test`.`alias1`.`b`) = `test`.`t2`.`c`))) or `test`.`alias1`.`a` = 'foo' +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-245 Exists2In: Wrong result (extra rows) with +# exists_to_in=ON, materialization=OFF, NOT EXISTS subquery +# +SET optimizer_switch='materialization=off,exists_to_in=on'; +CREATE TABLE t1 ( a INT ) ; +INSERT INTO t1 VALUES (0),(8),(1); +CREATE TABLE t2 ( b INT ) ; +INSERT INTO t2 VALUES (1),(2),(3); +SELECT * FROM t1 WHERE NOT EXISTS ( SELECT * FROM t2 WHERE b = a ); +a +0 +8 +explain extended +SELECT * FROM t1 WHERE NOT EXISTS ( SELECT * FROM t2 WHERE b = a ); +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 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where !(`test`.`t1`.`a` is not null and <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` is not null and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`)))) +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-243 Wrong result (extra or missing rows) with +# exists_to_in + materialization, EXISTS subquery +# +SET optimizer_switch='index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=off,exists_to_in=on'; +CREATE TABLE t1 ( a VARCHAR(1), b VARCHAR(1) ); +INSERT INTO t1 VALUES ('v','v'),('s','v'); +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +a b +s v +explain extended +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY alias ALL NULL NULL NULL NULL 2 100.00 Using where +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(alias); Using join buffer (flat, BNL join) +Warnings: +Note 1276 Field or reference 'test.alias.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.alias.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`alias`.`a` AS `a`,`test`.`alias`.`b` AS `b` from `test`.`t1` `alias` semi join (`test`.`t1`) where `test`.`t1`.`a` = `test`.`alias`.`b` and `test`.`alias`.`b` > `test`.`alias`.`a` +SET optimizer_switch = REPLACE( @@optimizer_switch, '=on', '=off' ); +SET optimizer_switch = 'exists_to_in=on,materialization=on,semijoin=off'; +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +a b +s v +explain extended +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY alias ALL NULL NULL NULL NULL 2 100.00 Using where +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.alias.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.alias.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`alias`.`a` AS `a`,`test`.`alias`.`b` AS `b` from `test`.`t1` `alias` where <in_optimizer>(`test`.`alias`.`b`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where `test`.`t1`.`a` > `test`.`alias`.`a` and <cache>(`test`.`alias`.`b`) = `test`.`t1`.`a`)) +SET optimizer_switch = 'exists_to_in=on,materialization=on,semijoin=on'; +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +a b +s v +explain extended +SELECT * FROM t1 AS alias +WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY alias ALL NULL NULL NULL NULL 2 100.00 Using where +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Start temporary; End temporary +Warnings: +Note 1276 Field or reference 'test.alias.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.alias.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`alias`.`a` AS `a`,`test`.`alias`.`b` AS `b` from `test`.`t1` `alias` semi join (`test`.`t1`) where `test`.`t1`.`a` = `test`.`alias`.`b` and `test`.`alias`.`b` > `test`.`alias`.`a` +drop table t1; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-403 Wrong result (missing rows) with subquery in +# EXISTS and an OR condition outside +# +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (2),(3); +CREATE TABLE t2 (b INT); +INSERT INTO t2 VALUES (1),(3); +SET optimizer_switch = 'exists_to_in=off,in_to_exists=on'; +SELECT * FROM t1 AS alias1, t2 AS alias2 +WHERE EXISTS ( +SELECT 1 FROM t2 WHERE b = alias1.a AND b > alias2.b +) OR a = 5; +a b +3 1 +SET optimizer_switch = 'exists_to_in=on,in_to_exists=on'; +SELECT * FROM t1 AS alias1, t2 AS alias2 +WHERE EXISTS ( +SELECT 1 FROM t2 WHERE b = alias1.a AND b > alias2.b +) OR a = 5; +a b +3 1 +explain extended +SELECT * FROM t1 AS alias1, t2 AS alias2 +WHERE EXISTS ( +SELECT 1 FROM t2 WHERE b = alias1.a AND b > alias2.b +) OR a = 5; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY alias1 ALL NULL NULL NULL NULL 2 100.00 +1 PRIMARY alias2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.alias1.a' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.alias2.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 /* select#1 */ select `test`.`alias1`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t2` `alias2` where <expr_cache><`test`.`alias1`.`a`,`test`.`alias2`.`b`>(<in_optimizer>(`test`.`alias1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` > `test`.`alias2`.`b` and <cache>(`test`.`alias1`.`a`) = `test`.`t2`.`b`))) or `test`.`alias1`.`a` = 5 +drop table t1, t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-404: Wrong result (extra rows) with STRAIGHT_JOIN, +# EXISTS subquery, NOT NULL column +# (same as above) +# +SET optimizer_switch = 'exists_to_in=on,in_to_exists=on'; +CREATE TABLE t1 (a INT, b VARCHAR(1) NOT NULL); +INSERT INTO t1 VALUES (1,'s'),(2,'e'); +SELECT STRAIGHT_JOIN * FROM t1 AS alias1, t1 AS alias2 +WHERE EXISTS ( SELECT 1 FROM t1 WHERE b < alias2.b AND a = alias1.a ); +a b a b +2 e 1 s +drop table t1; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-3800: ORDER BY doesn't work with exists_to_in=ON on +# a query with EXISTS subquery and OR condition +# +SET optimizer_switch = 'in_to_exists=on,exists_to_in=on'; +CREATE TABLE t1 (a INT, b VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (4,'j'),(6,'v'),(3,'c'); +CREATE TABLE t2 (c VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t2 VALUES ('b'),('y'); +SELECT a FROM t1 +WHERE EXISTS ( +SELECT 1 FROM t2 WHERE c = b +) OR b NOT IN ('U') +ORDER BY a; +a +3 +4 +6 +select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`b` in (select `test`.`t2`.`c` from `test`.`t2` where 1 ) or (`test`.`t1`.`b` <> 'U') order by `test`.`t1`.`a`; +a +3 +4 +6 +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# correct calculation of reserved items (postreview-fix) +# +create table t1 (col1 int, col2 int, col3 int); +insert into t1 values (1,2,3),(2,3,4),(4,5,6); +create table t2 as select * from t1; +explain extended +select * from t1 where exists (select col2 from t2 where t2.col1=t1.col1 and t2.col2=t1.col2); +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 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00 +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 +Warnings: +Note 1276 Field or reference 'test.t1.col1' of SELECT #2 was resolved in SELECT #1 +Note 1276 Field or reference 'test.t1.col2' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`t1`.`col1` AS `col1`,`test`.`t1`.`col2` AS `col2`,`test`.`t1`.`col3` AS `col3` from `test`.`t1` semi join (`test`.`t2`) where 1 +select * from t1 where exists (select col2 from t2 where t2.col1=t1.col1 and t2.col2=t1.col2); +col1 col2 col3 +1 2 3 +2 3 4 +4 5 6 +drop table t1,t2; +# +# MDEV-3879: Exists2In: Wrong result (extra row) and unexpected +# warning with exists_to_in=on and a NOT EXISTS subquery +# +SET optimizer_switch = 'exists_to_in=on'; +CREATE TABLE t1 (a1 INT, b1 CHAR(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (3,'y'),(6,'w'); +CREATE TABLE t2 (a2 INT, b2 CHAR(1)) ENGINE=MyISAM; +INSERT INTO t2 VALUES (3,'y'),(6,'d'); +SELECT * FROM t1 +WHERE NOT EXISTS ( SELECT * FROM t2 WHERE b2 = b1 AND a2 = a1 ); +a1 b1 +6 w +drop table t1, t2; +# +# MDEV-3880: Wrong result (missing rows) with exists_to_in=on, +# LEFT JOIN and NOT EXISTS subquery. +# (Duplicate of above MDEV-3879). +# +SET optimizer_switch = 'exists_to_in=on'; +CREATE TABLE t1 (a1 INT, b1 CHAR(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (4,'b'),(5,'y'); +CREATE TABLE t2 (b2 CHAR(1)) ENGINE=MyISAM; +INSERT INTO t2 VALUES ('z'),('b'); +CREATE TABLE t3 (a3 INT, b3 CHAR(1)) ENGINE=MyISAM; +INSERT INTO t3 VALUES (4,'j'),(6,'v'); +SELECT * FROM t1 LEFT JOIN t2 ON ( b2 = b1 ) +WHERE NOT EXISTS ( SELECT * FROM t3 WHERE b3 = b2 AND a3 = a1 ) ; +a1 b1 b2 +4 b b +5 y NULL +drop table t1, t2, t3; +# +# MDEV-3881: Endless loop and crash in Item_ref::real_item with +# exists_to_in=on, NOT EXISTS subquery, merge view or from subquery, +# constant table +# +SET optimizer_switch = 'exists_to_in=on'; +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(7); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (8); +CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t2; +CREATE TABLE t3 (c INT) ENGINE=MyISAM; +INSERT INTO t3 VALUES (4),(6); +SELECT * FROM t1, v1 WHERE NOT EXISTS ( SELECT * FROM t3 WHERE c = b ) AND a = b; +a b +drop view v1; +drop table t1, t2, t3; +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(7); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (8); +CREATE TABLE t3 (c INT) ENGINE=MyISAM; +INSERT INTO t3 VALUES (4),(6); +SELECT * FROM t1, ( SELECT * FROM t2 ) alias WHERE NOT EXISTS ( SELECT * FROM t3 WHERE c = b ) AND a = b; +a b +drop table t1, t2, t3; +# +# MDEV-3906: Server crashes in Dependency_marker::visit_field +# on 2nd execution of PS with exists_to_in and NOT EXISTS subquery +# +SET optimizer_switch='exists_to_in=on'; +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(7); +PREPARE stmt FROM ' +SELECT * FROM t1 AS alias +WHERE NOT EXISTS ( SELECT * FROM t1 WHERE t1.a = alias.a ) +'; +EXECUTE stmt; +a +EXECUTE stmt; +a +drop table t1; +# +# MDEV-3904: Assertion `in_subs->has_strategy()' failed in +# JOIN::choose_subquery_plan on 2nd execution of PS with +# exists_to_in+semijoin, EXISTS subquery, MERGE view or FROM subquery +# +SET optimizer_switch='in_to_exists=on,semijoin=on,exists_to_in=on'; +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (4),(6); +CREATE ALGORITHM=MERGE VIEW v AS +SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t2 WHERE b = a ); +PREPARE stmt FROM ' SELECT * FROM v '; +EXECUTE stmt; +a +EXECUTE stmt; +a +drop view v; +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-3903: Server crashes in Item_cond::fix_fields on 2nd execution +# of a prepared stmt with exists_to_in+materialization+semijoin, +# EXISTS subquery, STRAIGHT_JOIN +# +SET optimizer_switch='materialization=on,semijoin=on,exists_to_in=on'; +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (3),(4); +PREPARE stmt FROM +'SELECT STRAIGHT_JOIN * FROM t1 +WHERE EXISTS ( SELECT * FROM t2 WHERE b = a )'; +EXECUTE stmt; +a +EXECUTE stmt; +a +drop table t1,t2; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +# MDEV-4152: Wrong result (missing rows) with exists_to_in=on, +# inner joins +# +SET optimizer_switch='materialization=on,semijoin=on,exists_to_in=on'; +CREATE TABLE t1 (i INT, c1 CHAR(5), c2 CHAR(5), t1_field VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1,'test1','test2','f'), (2,'test3','test4','d'); +CREATE TABLE t2 (t2_field VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t2 VALUES ('m'), ('b'); +CREATE TABLE t3 (t3_field VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t3 VALUES ('b'),('c'); +SELECT * FROM t1, t2 outer_t2 +WHERE EXISTS ( SELECT 1 FROM t2, t3 WHERE t3_field = outer_t2.t2_field AND t2_field <= t1_field ); +i c1 c2 t1_field t2_field +1 test1 test2 f b +2 test3 test4 d b +drop table t1,t2,t3; +set optimizer_switch=default; +set optimizer_switch='exists_to_in=on'; +# +#MDEV-5401: Wrong result (missing row) on a 2nd execution of PS with +#exists_to_in=on, MERGE view or a SELECT SQ +# +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1; +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (2),(3); +SELECT * FROM v1 WHERE EXISTS ( SELECT * FROM t2 t2x, t2 t2y WHERE t2y.b = a ); +a +2 +PREPARE stmt FROM "SELECT * FROM v1 WHERE EXISTS ( SELECT * FROM t2 t2x, t2 t2y WHERE t2y.b = a )"; +EXECUTE stmt; +a +2 +EXECUTE stmt; +a +2 +deallocate prepare stmt; +drop view v1; +drop table t1,t2; +# +#MDEV-10053: EXIST to IN transformation turned down +# +CREATE TABLE t1 ( +pk INT, f1 INT NOT NULL, f2 VARCHAR(3), f3 INT NULL, PRIMARY KEY(pk)) +ENGINE=MyISAM; +INSERT INTO t1 VALUES (1,1,'foo',8), (2,5,'bar',7); +set @optimizer_switch_save=@@optimizer_switch; +set optimizer_switch='exists_to_in=off'; +explain extended SELECT STRAIGHT_JOIN sq1.f2 +FROM ( SELECT * FROM t1 ) AS sq1 +WHERE EXISTS ( SELECT * FROM t1 AS sq2 +WHERE sq1.`pk` IN ( SELECT f1 FROM t1 ) AND sq2.f1 = sq1.f1 ); +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 Using where +3 DEPENDENT SUBQUERY <subquery4> eq_ref distinct_key distinct_key 4 func 1 100.00 +3 DEPENDENT SUBQUERY sq2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +4 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1276 Field or reference 'sq1.pk' of SELECT #3 was resolved in SELECT #1 +Note 1276 Field or reference 'sq1.f1' of SELECT #3 was resolved in SELECT #1 +Note 1003 /* select#1 */ select straight_join `test`.`t1`.`f2` AS `f2` from `test`.`t1` where <expr_cache><`test`.`t1`.`f1`,`test`.`t1`.`pk`>(exists(/* select#3 */ select 1 from `test`.`t1` `sq2` semi join (`test`.`t1`) where `test`.`sq2`.`f1` = `test`.`t1`.`f1` and `test`.`t1`.`pk` = `test`.`t1`.`f1`)) +SELECT STRAIGHT_JOIN sq1.f2 +FROM ( SELECT * FROM t1 ) AS sq1 +WHERE EXISTS ( SELECT * FROM t1 AS sq2 +WHERE sq1.`pk` IN ( SELECT f1 FROM t1 ) AND sq2.f1 = sq1.f1 ); +f2 +foo +set optimizer_switch='exists_to_in=on'; +explain extended SELECT STRAIGHT_JOIN sq1.f2 +FROM ( SELECT * FROM t1 ) AS sq1 +WHERE EXISTS ( SELECT * FROM t1 AS sq2 +WHERE sq1.`pk` IN ( SELECT f1 FROM t1 ) AND sq2.f1 = sq1.f1 ); +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 Using where +3 DEPENDENT SUBQUERY <subquery4> eq_ref distinct_key distinct_key 4 func 1 100.00 +3 DEPENDENT SUBQUERY sq2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +4 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 +Warnings: +Note 1276 Field or reference 'sq1.pk' of SELECT #3 was resolved in SELECT #1 +Note 1276 Field or reference 'sq1.f1' of SELECT #3 was resolved in SELECT #1 +Note 1003 /* select#1 */ select straight_join `test`.`t1`.`f2` AS `f2` from `test`.`t1` where <expr_cache><`test`.`t1`.`f1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`f1`,<exists>(/* select#3 */ select `test`.`sq2`.`f1` from `test`.`t1` `sq2` semi join (`test`.`t1`) where `test`.`t1`.`pk` = `test`.`t1`.`f1` and <cache>(`test`.`t1`.`f1`) = `test`.`sq2`.`f1`))) +SELECT STRAIGHT_JOIN sq1.f2 +FROM ( SELECT * FROM t1 ) AS sq1 +WHERE EXISTS ( SELECT * FROM t1 AS sq2 +WHERE sq1.`pk` IN ( SELECT f1 FROM t1 ) AND sq2.f1 = sq1.f1 ); +f2 +foo +set optimizer_switch= @optimizer_switch_save; +DROP TABLE t1; +# +# MDEV-14164: Unknown column error when adding aggregate to function +# in oracle style procedure FOR loop +# +CREATE TABLE t1(id INT, val INT); +CREATE PROCEDURE p1() +BEGIN +DECLARE cur1 CURSOR FOR SELECT * FROM ( +SELECT DISTINCT id FROM t1) a +WHERE NOT EXISTS (SELECT * FROM ( SELECT id FROM t1) b +WHERE a.id=b.id); +OPEN cur1; +CLOSE cur1; +OPEN cur1; +CLOSE cur1; +END; +// +CALL p1(); +DROP PROCEDURE p1; +DROP TABLE t1; +CREATE TABLE t1(id INT, val INT); +CREATE PROCEDURE p1() +BEGIN +SELECT * FROM (SELECT DISTINCT id FROM t1) a +WHERE NOT a.id IN (SELECT b.id FROM t1 b); +SELECT * FROM (SELECT DISTINCT id FROM t1) a +WHERE NOT EXISTS (SELECT * FROM t1 b WHERE a.id=b.id); +END; +// +CALL p1(); +id +id +CALL p1(); +id +id +DROP PROCEDURE p1; +DROP TABLE t1; +# End of 10.0 tests +set optimizer_switch=default; |