@@ -269,7 +269,7 @@ 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2);
a
7
...
...
@@ -1408,7 +1408,7 @@ 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 '<'
@@ -1497,7 +1497,7 @@ 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 0 0.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` < (select max(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,((select max(`test`.`t2`.`b`) from `test`.`t2`) > `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);
...
...
@@ -1505,7 +1505,7 @@ 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 0 0.00
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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1);
a
6
...
...
@@ -1516,7 +1516,7 @@ 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 0 0.00 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 `test`.`t2`.`b` 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 `test`.`t2`.`b` from `test`.`t2` group by 1) > `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);
...
...
@@ -1524,7 +1524,7 @@ 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 0 0.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(`test`.`t3`.`a` >= <min>(select `test`.`t2`.`b` 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 `test`.`t2`.`b` from `test`.`t2` group by 1) <= `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);
...
...
@@ -1532,7 +1532,7 @@ 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 ALL NULL NULL NULL NULL 0 0.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(`test`.`t2`.`b`) 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);
...
...
@@ -1540,7 +1540,7 @@ 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 ALL NULL NULL NULL NULL 0 0.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select `test`.`t2`.`b` from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select `test`.`t2`.`b` 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);
...
...
@@ -1548,7 +1548,7 @@ 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 ALL NULL NULL NULL NULL 0 0.00
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= (select min(`test`.`t2`.`b`) from `test`.`t2`))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,((select min(`test`.`t2`.`b`) 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);
...
...
@@ -1556,7 +1556,7 @@ 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 ALL NULL NULL NULL NULL 0 0.00 Using temporary
Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(NULL >= <min>(select `test`.`t2`.`b` from `test`.`t2` group by 1))))
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(NULL,(<min>(select `test`.`t2`.`b` 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
...
...
@@ -1567,7 +1567,7 @@ 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`) >= `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 ;
@@ -1618,7 +1618,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 ALL NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',('f' > <min>(select `test`.`t1`.`s1` from `test`.`t1` union select `test`.`t1`.`s1` from `test`.`t1`))))
Note 1003 select `test`.`t1`.`s1` AS `s1` from `test`.`t1` where <nop>(<in_optimizer>('f',(<min>(select `test`.`t1`.`s1` from `test`.`t1` union select `test`.`t1`.`s1` from `test`.`t1`) < 'f')))