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Diffstat (limited to 'mysql-test/r/subselect_mat.result')
| -rw-r--r-- | mysql-test/r/subselect_mat.result | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/mysql-test/r/subselect_mat.result b/mysql-test/r/subselect_mat.result index efc348a26ce..0e10800331a 100644 --- a/mysql-test/r/subselect_mat.result +++ b/mysql-test/r/subselect_mat.result @@ -2453,6 +2453,95 @@ SELECT 1 FROM t1 where t1.id IN (SELECT v1.i1 from v1); 1 drop table t1,t2; drop view v1; +# +# MDEV-19580: function invocation in the left part of IN subquery +# +create table t1 (id int, a varchar(50), b int); +insert into t1 values +(1,'mrs',2), (2,'joe',2), (3,'paul',1), (4,'art',1); +create table t2 (id int, a varchar(50), x int); +insert into t2 values +(1,'grand',1),(2,'average',1),(3,'serf',0); +create table t3 (d1 date, d2 date, t1_id int, t2_id int ); +insert into t3 values +('1972-01-01','1988-12-31',3,1), ('1972-01-01','1988-12-31',4,1), +('1972-01-01','1988-12-31',1,2), ('1972-01-01','1988-12-31',2,3); +create table t4 ( id int, a varchar(50) ); +insert into t4 values +(1,'songwriter'),(2,'song character'); +create function f1(who int, dt date) returns int +deterministic +begin +declare result int; +select t2_id into result from t3 where dt>=d1 and dt<=d2 and t1_id=who; +return result; +end$$ +create function f2(who int, dt date) returns int +begin +declare result int; +select t2_id into result from t3 where dt>=d1 and dt<=d2 and t1_id=who; +return result; +end$$ +# Deterministic function in left part of IN subquery: semi-join is OK +select * from t1 +left join t4 on t1.b = t4.id +where f1(t1.id, '1980-01-01') in (select id from t2 where x=1); +id a b id a +3 paul 1 1 songwriter +4 art 1 1 songwriter +1 mrs 2 2 song character +explain extended select * from t1 +left join t4 on t1.b = t4.id +where f1(t1.id, '1980-01-01') in (select id from t2 where x=1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 100.00 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00 Using where +1 PRIMARY t4 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 Using where +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t4`.`id` AS `id`,`test`.`t4`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) left join `test`.`t4` on((`test`.`t4`.`id` = `test`.`t1`.`b`)) where ((`test`.`t2`.`x` = 1) and (`f1`(`test`.`t1`.`id`,'1980-01-01') = `test`.`t2`.`id`)) +# Non-deterministic function in left part of IN subq: semi-join is OK +select * from t1 +left join t4 on t1.b = t4.id +where f2(t1.id, '1980-01-01') in (select id from t2 where x=1); +id a b id a +3 paul 1 1 songwriter +4 art 1 1 songwriter +1 mrs 2 2 song character +explain extended select * from t1 +left join t4 on t1.b = t4.id +where f2(t1.id, '1980-01-01') in (select id from t2 where x=1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 100.00 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00 Using where +1 PRIMARY t4 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 Using where +Warnings: +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t4`.`id` AS `id`,`test`.`t4`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) left join `test`.`t4` on((`test`.`t4`.`id` = `test`.`t1`.`b`)) where ((`test`.`t2`.`x` = 1) and (`f2`(`test`.`t1`.`id`,'1980-01-01') = `test`.`t2`.`id`)) +select t1.*, t4.*, +(select max(t4.id) from t4 where t4.id=t1.b and sleep(0) = 0) as s +from t1 left join t4 on t1.b = t4.id +where f2(t1.id, '1980-01-01') in (select id from t2 where x=1); +id a b id a s +3 paul 1 1 songwriter 1 +4 art 1 1 songwriter 1 +1 mrs 2 2 song character 2 +explain extended select t1.*, t4.*, +(select max(t4.id) from t4 where t4.id=t1.b and sleep(0) = 0) as s +from t1 left join t4 on t1.b = t4.id +where f2(t1.id, '1980-01-01') in (select id from t2 where x=1); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 100.00 +1 PRIMARY <subquery3> eq_ref distinct_key distinct_key 4 func 1 100.00 Using where +1 PRIMARY t4 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +3 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 Using where +2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t1.b' of SELECT #2 was resolved in SELECT #1 +Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t4`.`id` AS `id`,`test`.`t4`.`a` AS `a`,(select max(`test`.`t4`.`id`) from `test`.`t4` where ((`test`.`t4`.`id` = `test`.`t1`.`b`) and (sleep(0) = 0))) AS `s` from `test`.`t1` semi join (`test`.`t2`) left join `test`.`t4` on((`test`.`t4`.`id` = `test`.`t1`.`b`)) where ((`test`.`t2`.`x` = 1) and (`f2`(`test`.`t1`.`id`,'1980-01-01') = `test`.`t2`.`id`)) +drop function f1; +drop function f2; +drop table t1,t2,t3,t4; # End of 5.5 tests set @subselect_mat_test_optimizer_switch_value=null; set @@optimizer_switch='materialization=on,in_to_exists=off,semijoin=off'; |