diff options
Diffstat (limited to 'mysql-test/r/subselect.result')
-rw-r--r-- | mysql-test/r/subselect.result | 606 |
1 files changed, 571 insertions, 35 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index c84d4538a88..f84e0246969 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -1,7 +1,9 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12; drop view if exists v2; -set @save_optimizer_switch=@@optimizer_switch; -set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off"; +set @subselect_tmp=@@optimizer_switch; +set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_test, +"semijoin=on,firstmatch=on,loosescan=on,partial_match_rowid_merge=off,partial_match_table_scan=off"); +set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; select (select 2); (select 2) 2 @@ -202,10 +204,11 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from (select * from t2 where a>1) as tt; 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 +1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00 +3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort Warnings: -Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`test`.`t2`.`a` AS `a` from `test`.`t2` where (`test`.`t2`.`a` > 1) +Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where (`test`.`t3`.`a` < 8) order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where (`test`.`t2`.`a` > 1)) `tt` select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); a 2 @@ -226,7 +229,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where Warnings: Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 -Note 1003 select `test`.`t4`.`b` AS `b`,(select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` +Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg((`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where (`test`.`t3`.`a` >= `test`.`t4`.`a`)))) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` select * from t3 where exists (select * from t2 where t2.b=t3.a); a 7 @@ -272,7 +275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(`test`.`t2`.`b`) from `test`.`t2`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))) select * from t3 where a >= all (select b from t2); a 7 @@ -364,12 +367,12 @@ INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1'); INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1'); EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index +1 PRIMARY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where; Using index 4 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index -2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 +2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using where 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index Warnings: -Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where ('joce' = (select 'joce' from `test`.`t8` where 1)) +Note 1003 select `test`.`t8`.`pseudo` AS `pseudo`,(select `test`.`t8`.`email` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where (`test`.`t8`.`pseudo` = (select 'joce' from `test`.`t8` where 1)) SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM t8 WHERE pseudo='joce'); ERROR 21000: Operand should contain 1 column(s) @@ -540,18 +543,24 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT numreponse (SELECT numeropost FROM t1 HAVING numreponse=1) INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test'); EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1'); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index +2 SUBQUERY t1 ref PRIMARY PRIMARY 3 const 2 100.00 Using index +Warnings: +Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select 1 from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')))) +SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1'); ERROR 21000: Subquery returns more than 1 row EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1'; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away Warnings: -Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where multiple equal(1, `test`.`t1`.`numeropost`) +Note 1003 select max(`test`.`t1`.`numreponse`) AS `MAX(numreponse)` from `test`.`t1` where (`test`.`t1`.`numeropost` = '1') EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1'); id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index +1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using where; Using index 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away Warnings: -Note 1003 select 3 AS `numreponse` from `test`.`t1` where ((3 = 3)) +Note 1003 select `test`.`t1`.`numreponse` AS `numreponse` from `test`.`t1` where ((`test`.`t1`.`numeropost` = '1') and (`test`.`t1`.`numreponse` = (select max(`test`.`t1`.`numreponse`) from `test`.`t1` where (`test`.`t1`.`numeropost` = '1')))) drop table t1; CREATE TABLE t1 (a int(1)); INSERT INTO t1 VALUES (1); @@ -913,6 +922,131 @@ id select_type table type possible_keys key key_len ref rows filtered Extra Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t2`.`a`) and ((<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`) or isnull(`test`.`t2`.`a`))) having <is_not_null_test>(`test`.`t2`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` drop table t1,t2,t3; +# check correct NULL Processing for normal IN/ALL/ANY +# and 2 ways of max/min optimization +create table t1 (a int); +insert into t1 values (1), (100), (NULL), (1000); +create table t2 (a int not null); +# subselect returns empty set (for NULL and non-NULL left part) +select a, a in (select * from t2) from t1; +a a in (select * from t2) +1 0 +100 0 +NULL 0 +1000 0 +select a, a > any (select * from t2) from t1; +a a > any (select * from t2) +1 0 +100 0 +NULL 0 +1000 0 +select a, a > all (select * from t2) from t1; +a a > all (select * from t2) +1 1 +100 1 +NULL 1 +1000 1 +select a from t1 where a in (select * from t2); +a +select a from t1 where a > any (select * from t2); +a +select a from t1 where a > all (select * from t2); +a +1 +100 +NULL +1000 +select a from t1 where a in (select * from t2 group by a); +a +select a from t1 where a > any (select * from t2 group by a); +a +select a from t1 where a > all (select * from t2 group by a); +a +1 +100 +NULL +1000 +insert into t2 values (1),(200); +# sebselect returns non-empty set without NULLs +select a, a in (select * from t2) from t1; +a a in (select * from t2) +1 1 +100 0 +NULL NULL +1000 0 +select a, a > any (select * from t2) from t1; +a a > any (select * from t2) +1 0 +100 1 +NULL NULL +1000 1 +select a, a > all (select * from t2) from t1; +a a > all (select * from t2) +1 0 +100 0 +NULL NULL +1000 1 +select a from t1 where a in (select * from t2); +a +1 +select a from t1 where a > any (select * from t2); +a +100 +1000 +select a from t1 where a > all (select * from t2); +a +1000 +select a from t1 where a in (select * from t2 group by a); +a +1 +select a from t1 where a > any (select * from t2 group by a); +a +100 +1000 +select a from t1 where a > all (select * from t2 group by a); +a +1000 +drop table t2; +create table t2 (a int); +insert into t2 values (1),(NULL),(200); +# sebselect returns non-empty set with NULLs +select a, a in (select * from t2) from t1; +a a in (select * from t2) +1 1 +100 NULL +NULL NULL +1000 NULL +select a, a > any (select * from t2) from t1; +a a > any (select * from t2) +1 NULL +100 1 +NULL NULL +1000 1 +select a, a > all (select * from t2) from t1; +a a > all (select * from t2) +1 0 +100 0 +NULL NULL +1000 NULL +select a from t1 where a in (select * from t2); +a +1 +select a from t1 where a > any (select * from t2); +a +100 +1000 +select a from t1 where a > all (select * from t2); +a +select a from t1 where a in (select * from t2 group by a); +a +1 +select a from t1 where a > any (select * from t2 group by a); +a +100 +1000 +select a from t1 where a > all (select * from t2 group by a); +a +drop table t1, t2; create table t1 (a float); select 10.5 IN (SELECT * from t1 LIMIT 1); ERROR 42000: This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery' @@ -1236,7 +1370,7 @@ create table t1 (id int not null auto_increment primary key, salary int, key(sal insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000); explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1); id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using index condition +1 PRIMARY t1 ref salary salary 5 const 0 0.00 Using index condition 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away Warnings: Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where (`test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`)) @@ -1342,7 +1476,7 @@ a explain extended select * from t2 where t2.a in (select a from t1); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index -1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using index; FirstMatch(t2) +1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using index; FirstMatch(t2) Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`t2`.`a`) select * from t2 where t2.a in (select a from t1 where t1.b <> 30); @@ -1352,7 +1486,7 @@ a explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index -1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2) +1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2) Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30)) select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); @@ -1363,7 +1497,7 @@ explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1 id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index -1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 11 100.00 Using index; FirstMatch(t2) +1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) insert into t1 values (3,31); @@ -1379,7 +1513,7 @@ a explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2 index a a 5 NULL 4 100.00 Using where; Using index -1 PRIMARY t1 ref a a 5 test.t2.a 100 100.00 Using where; Using index; FirstMatch(t2) +1 PRIMARY t1 ref a a 5 test.t2.a 101 100.00 Using where; Using index; FirstMatch(t2) Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` <> 30)) drop table t0, t1, t2, t3; @@ -1416,7 +1550,7 @@ INSERT INTO t1 VALUES ('z','?'); select * from t1 where s1 > (select max(s2) from t1); ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>' select * from t1 where s1 > any (select max(s2) from t1); -ERROR HY000: Illegal mix of collations (latin1_german1_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '>' +ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_german1_ci,IMPLICIT) for operation '<' drop table t1; create table t1(toid int,rd int); create table t2(userid int,pmnew int,pmtotal int); @@ -1492,7 +1626,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra Warnings: Note 1003 select `test`.`t1`.`s1` AS `s1`,(not(<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where (`test`.`t2`.`s1` < 'a2') having trigcond(<is_not_null_test>(`test`.`t2`.`s1`)))))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` drop table t1,t2; -create table t2 (a int, b int); +create table t2 (a int, b int not null); create table t3 (a int); insert into t3 values (6),(7),(3); select * from t3 where a >= all (select b from t2); @@ -1505,7 +1639,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(NULL) from `test`.`t2`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))) select * from t3 where a >= some (select b from t2); a explain extended select * from t3 where a >= some (select b from t2); @@ -1513,7 +1647,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= (select min(NULL) from `test`.`t2`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,((select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))) select * from t3 where a >= all (select b from t2 group by 1); a 6 @@ -1524,7 +1658,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < <max>(select NULL from `test`.`t2` group by 1)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select NULL from `test`.`t2` group by 1) > <cache>(`test`.`t3`.`a`)))) select * from t3 where a >= some (select b from t2 group by 1); a explain extended select * from t3 where a >= some (select b from t2 group by 1); @@ -1532,7 +1666,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select NULL from `test`.`t2` group by 1)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(<min>(select NULL from `test`.`t2` group by 1) <= <cache>(`test`.`t3`.`a`)))) select * from t3 where NULL >= any (select b from t2); a explain extended select * from t3 where NULL >= any (select b from t2); @@ -1540,7 +1674,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL))) select * from t3 where NULL >= any (select b from t2 group by 1); a explain extended select * from t3 where NULL >= any (select b from t2 group by 1); @@ -1548,7 +1682,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL))) select * from t3 where NULL >= some (select b from t2); a explain extended select * from t3 where NULL >= some (select b from t2); @@ -1556,7 +1690,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(NULL) from `test`.`t2`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(NULL) from `test`.`t2`) <= NULL))) select * from t3 where NULL >= some (select b from t2 group by 1); a explain extended select * from t3 where NULL >= some (select b from t2 group by 1); @@ -1564,7 +1698,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select NULL from `test`.`t2` group by 1)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select NULL from `test`.`t2` group by 1) <= NULL))) insert into t2 values (2,2), (2,1), (3,3), (3,1); select * from t3 where a > all (select max(b) from t2 group by a); a @@ -1575,7 +1709,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` <= <max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))) drop table t2, t3; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); @@ -1626,7 +1760,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 UNION t1 system NULL NULL NULL NULL 1 100.00 NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL Warnings: -Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`)))) +Note 1003 select 'e' AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select 'e' from `test`.`t1` union select 'e' from `test`.`t1`) < 'f'))) drop table t1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); @@ -2829,7 +2963,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: -Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1` +Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where ((`test`.`t2`.`flag` = '0') and trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`)))) having (trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1` explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 @@ -2841,7 +2975,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; Using temporary Warnings: -Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`two`,`test`.`t1`.`one`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1` +Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where (`test`.`t2`.`flag` = '0') group by `test`.`t2`.`one`,`test`.`t2`.`two` having (trigcond(((<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one`) or isnull(`test`.`t2`.`one`))) and trigcond(((<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`) or isnull(`test`.`t2`.`two`))) and trigcond(<is_not_null_test>(`test`.`t2`.`one`)) and trigcond(<is_not_null_test>(`test`.`t2`.`two`)))))) AS `test` from `test`.`t1` DROP TABLE t1,t2; CREATE TABLE t1 (a char(5), b char(5)); INSERT INTO t1 VALUES (NULL,'aaa'), ('aaa','aaa'); @@ -2957,7 +3091,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899' ORDER BY t2.c DESC, t2.b DESC LIMIT 1) WHERE t1.a = 10; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 system PRIMARY NULL NULL NULL 1 -1 PRIMARY r const PRIMARY PRIMARY 4 const 1 +1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where 2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899' @@ -2969,7 +3103,7 @@ ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899' ORDER BY t2.c, t2.b LIMIT 1) WHERE t1.a = 10; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 system PRIMARY NULL NULL NULL 1 -1 PRIMARY r const PRIMARY PRIMARY 4 const 1 +1 PRIMARY r eq_ref PRIMARY PRIMARY 4 const 1 Using where 2 DEPENDENT SUBQUERY t2 range b b 40 NULL 2 Using index condition SELECT sql_no_cache t1.a, r.a, r.b FROM t1 LEFT JOIN t2 r ON r.a = (SELECT t2.a FROM t2 WHERE t2.c = t1.a AND t2.b <= '359899' @@ -4030,7 +4164,7 @@ CREATE TABLE t1 (a int, b int, KEY (a)); INSERT INTO t1 VALUES (1,1),(2,1); EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT COUNT(*) FROM t1 GROUP BY b); id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 ref a a 5 const 1 Using where; Using index +1 PRIMARY t1 ref a a 5 const 0 Using where; Using index 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort DROP TABLE t1; CREATE TABLE t1 (id int NOT NULL, st CHAR(2), INDEX idx(id)); @@ -4803,7 +4937,6 @@ SELECT 1 FROM t1 GROUP BY 1 1 DROP TABLE t1; -set @@optimizer_switch=@save_optimizer_switch; # # Bug #49512 : subquery with aggregate function crash # subselect_single_select_engine::exec() @@ -5105,6 +5238,167 @@ SELECT 1 as foo FROM t1 WHERE a < SOME ); foo DROP TABLE t1; +CREATE TABLE t1 (a int(11), b varchar(1)); +INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g'); +SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 ); +a +5 +SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b ); +a +7 +SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 ); +a +7 +SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b ); +a +delete from t1; +INSERT INTO t1 VALUES (2,NULL),(5,'d'),(7,'g'); +SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +SELECT a FROM t1 WHERE b < ANY ( SELECT b FROM t1 ); +a +5 +SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 GROUP BY b ); +a +7 +SELECT a FROM t1 WHERE b > ANY ( SELECT b FROM t1 ); +a +7 +SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b <= ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b >= ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b = ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 ); +a +5 +7 +SELECT a FROM t1 WHERE b <> ANY ( SELECT b FROM t1 GROUP BY b ); +a +5 +7 +SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b < ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b > ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b <= ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b >= ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b = ALL ( SELECT b FROM t1 GROUP BY b ); +a +SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 ); +a +SELECT a FROM t1 WHERE b <> ALL ( SELECT b FROM t1 GROUP BY b ); +a +drop table t1; +# +# Fix of LP BUG#780386 (NULL left part with empty ALL subquery). +# +CREATE TABLE t1 ( f11 int) ; +INSERT IGNORE INTO t1 VALUES (0),(0); +CREATE TABLE t2 ( f3 int, f10 int, KEY (f10,f3)) ; +INSERT IGNORE INTO t2 VALUES (NULL,NULL),(5,0); +DROP TABLE IF EXISTS t3; +Warnings: +Note 1051 Unknown table 't3' +CREATE TABLE t3 ( f3 int) ; +INSERT INTO t3 VALUES (0),(0); +SELECT a1.f3 AS r FROM t2 AS a1 , t1 WHERE a1.f3 < ALL ( SELECT f3 FROM t3 WHERE f3 = 1 ) ; +r +NULL +5 +NULL +5 +DROP TABLE t1, t2, t3; +End of 5.2 tests # # BUG#779885: Crash in eliminate_item_equal with materialization=on in # maria-5.3 @@ -5126,4 +5420,246 @@ ON t2.f10 = t3.f10 ); f1 DROP TABLE t1,t2,t3; +# +# BUG LP:813473: Wrong result with outer join + NOT IN subquery +# This bug is a duplicate of Bug#11764086 whose test case is added below +# +CREATE TABLE t1 (c int) ; +INSERT INTO t1 VALUES (5),(6); +CREATE TABLE t2 (a int, b int) ; +INSERT INTO t2 VALUES (20,9),(20,9); +create table t3 (d int, e int); +insert into t3 values (2, 9), (3,10); +EXPLAIN +SELECT t2.b , t1.c +FROM t2 LEFT JOIN t1 ON t1.c < 3 +WHERE (t2.b , t1.c) NOT IN (SELECT * from t3); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where +SELECT t2.b , t1.c +FROM t2 LEFT JOIN t1 ON t1.c < 3 +WHERE (t2.b, t1.c) NOT IN (SELECT * from t3); +b c +9 NULL +9 NULL +drop table t1, t2, t3; End of 5.3 tests +End of 5.5 tests. +# +# Bug#12763207 - ASSERT IN SUBSELECT::SINGLE_VALUE_TRANSFORMER +# +CREATE TABLE t1(a1 int); +INSERT INTO t1 VALUES (1),(2); +CREATE TABLE t2(a1 int); +INSERT INTO t2 VALUES (3); +SELECT @@session.sql_mode INTO @old_sql_mode; +SET SESSION sql_mode='ONLY_FULL_GROUP_BY'; +SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2 FROM t2); +1 +1 +1 +SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 2.0 FROM t2); +1 +1 +1 +SELECT 1 FROM t1 WHERE 1 < SOME (SELECT 'a' FROM t2); +1 +SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t2); +1 +1 +1 +SET SESSION sql_mode=@old_sql_mode; +DROP TABLE t1, t2; +# +# Bug#11764086: Null left operand to NOT IN in WHERE clause +# behaves differently than real NULL +# +CREATE TABLE parent (id int); +INSERT INTO parent VALUES (1), (2); +CREATE TABLE child (parent_id int, other int); +INSERT INTO child VALUES (1,NULL); +# Offending query (c.parent_id is NULL for null-complemented rows only) +SELECT p.id, c.parent_id +FROM parent p +LEFT JOIN child c +ON p.id = c.parent_id +WHERE c.parent_id NOT IN ( +SELECT parent_id +FROM child +WHERE parent_id = 3 +); +id parent_id +1 1 +2 NULL +# Some syntactic variations with IS FALSE and IS NOT TRUE +SELECT p.id, c.parent_id +FROM parent p +LEFT JOIN child c +ON p.id = c.parent_id +WHERE c.parent_id IN ( +SELECT parent_id +FROM child +WHERE parent_id = 3 +) IS NOT TRUE; +id parent_id +1 1 +2 NULL +SELECT p.id, c.parent_id +FROM parent p +LEFT JOIN child c +ON p.id = c.parent_id +WHERE c.parent_id IN ( +SELECT parent_id +FROM child +WHERE parent_id = 3 +) IS FALSE; +id parent_id +1 1 +2 NULL +DROP TABLE parent, child; +# End of test for bug#11764086. +# +# BUG#50257: Missing info in REF column of the EXPLAIN +# lines for subselects +# +CREATE TABLE t1 (a INT, b INT, INDEX (a)); +INSERT INTO t1 VALUES (3, 10), (2, 20), (7, 10), (5, 20); + +EXPLAIN SELECT * FROM (SELECT * FROM t1 WHERE a=7) t; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 +2 DERIVED t1 ref a a 5 const 1 + +EXPLAIN SELECT * FROM t1 WHERE EXISTS (SELECT * FROM t1 WHERE a=7); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 4 +2 SUBQUERY t1 ref a a 5 const 1 Using index + +DROP TABLE t1; +# +# Bug 11765699 - 58690: !TABLE || (!TABLE->READ_SET || +# BITMAP_IS_SET(TABLE->READ_SET, FIELD_INDEX +# +CREATE TABLE t1(a INT); +INSERT INTO t1 VALUES (0), (1); +CREATE TABLE t2( +b TEXT, +c INT, +PRIMARY KEY (b(1)) +); +INSERT INTO t2 VALUES ('a', 2), ('b', 3); +SELECT 1 FROM t1 WHERE a = +(SELECT 1 FROM t2 WHERE b = +(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2) +ORDER BY b +); +1 +SELECT 1 FROM t1 WHERE a = +(SELECT 1 FROM t2 WHERE b = +(SELECT 1 FROM t1 t11 WHERE c = 1 OR t1.a = 1 AND 1 = 2) +GROUP BY b +); +1 +DROP TABLE t1, t2; +# +# BUG#12616253 - WRONG RESULT WITH EXISTS(SUBQUERY) (MISSING ROWS) +# +CREATE TABLE t1 (f1 varchar(1)); +INSERT INTO t1 VALUES ('v'),('s'); +CREATE TABLE t2 (f1_key varchar(1), KEY (f1_key)); +INSERT INTO t2 VALUES ('j'),('v'),('c'),('m'),('d'), +('d'),('y'),('t'),('d'),('s'); +SELECT table1.f1, table2.f1_key +FROM t1 AS table1, t2 AS table2 +WHERE EXISTS +( +SELECT DISTINCT f1_key +FROM t2 +WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 ); +f1 f1_key +v j +s j +v v +s v +v c +s c +v m +s m +v d +s d +v d +s d +v y +s y +v t +s t +v d +s d +v s +s s +explain SELECT table1.f1, table2.f1_key +FROM t1 AS table1, t2 AS table2 +WHERE EXISTS +( +SELECT DISTINCT f1_key +FROM t2 +WHERE f1_key != table2.f1_key AND f1_key >= table1.f1 ); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY table1 ALL NULL NULL NULL NULL 2 +1 PRIMARY table2 index NULL f1_key 4 NULL 10 Using where; Using index; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t2 range f1_key f1_key 4 NULL 6 Range checked for each record (index map: 0x1); Using temporary +DROP TABLE t1,t2; +# +# LP bug #826279: assertion failure with GROUP BY a result of subquery +# +CREATE TABLE t1 (a int); +INSERT INTO t1 VALUES (0), (0); +CREATE TABLE t2 (a int, b int, c int); +INSERT INTO t2 VALUES (10,7,0), (0,7,0); +CREATE TABLE t3 (a int, b int); +INSERT INTO t3 VALUES (10,7), (0,7); +SELECT SUM(DISTINCT b), +(SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0 +WHERE t.a != 0 AND t2.a != 0) +FROM (SELECT * FROM t3) AS t +GROUP BY 2; +SUM(DISTINCT b) (SELECT t2.a FROM t1 JOIN t2 ON t2.c != 0 +WHERE t.a != 0 AND t2.a != 0) +7 NULL +SELECT SUM(DISTINCT b), +(SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1) +FROM (SELECT * FROM t3) AS t +GROUP BY 2; +SUM(DISTINCT b) (SELECT t2.a FROM t1,t2 WHERE t.a != 0 or 1=2 LIMIT 1) +7 NULL +7 10 +DROP TABLE t1,t2,t3; +# +# Bug#12329653 +# EXPLAIN, UNION, PREPARED STATEMENT, CRASH, SQL_FULL_GROUP_BY +# +CREATE TABLE t1(a1 int); +INSERT INTO t1 VALUES (1),(2); +SELECT @@session.sql_mode INTO @old_sql_mode; +SET SESSION sql_mode='ONLY_FULL_GROUP_BY'; +SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); +1 +1 +1 +PREPARE stmt FROM +'SELECT 1 UNION ALL +SELECT 1 FROM t1 +ORDER BY +(SELECT 1 FROM t1 AS t1_0 + WHERE 1 < SOME (SELECT a1 FROM t1) +)' ; +EXECUTE stmt ; +ERROR 21000: Subquery returns more than 1 row +EXECUTE stmt ; +ERROR 21000: Subquery returns more than 1 row +SET SESSION sql_mode=@old_sql_mode; +DEALLOCATE PREPARE stmt; +DROP TABLE t1; +set optimizer_switch=@subselect_tmp; |