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Commit 2b6a2344 authored by unknown's avatar unknown
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Fix of LP BUG#780386. 

ALL subquery should return TRUE if subquery rowa set is empty independently
of left part.  The problem was that Item_func_(eq,ne,gt,ge,lt,le) do not
call execution of second argument if first is NULL no in this case subquery
will not be executed and when Item_func_not_all calls any_value() of the
subquery or aggregation function which report that there was rows. So for
NULL < ALL (SELECT...) result was FALSE instead of TRUE.

Fix is just swapping of arguments of Item_func_(eq,ne,gt,ge,lt,le) (with
changing the operation if it is needed) so that result will be the same
(for examole a < b is equal to b > a). This fix exploit the fact that
first argument will be executed in any case.

mysql-test/r/subselect.result:
  The test suite added.
mysql-test/r/subselect_no_mat.result:
  The test suite added.
mysql-test/r/subselect_no_opts.result:
  The test suite added.
mysql-test/r/subselect_no_semijoin.result:
  The test suite added.
mysql-test/r/subselect_scache.result:
  The test suite added.
mysql-test/t/subselect.test:
  The test suite added.
sql/item_cmpfunc.cc:
  Swap arguments creation methods added.
sql/item_cmpfunc.h:
  Swap arguments creation methods added.
sql/item_subselect.cc:
  Swap arguments of the comparison.
parent 36be492d
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Showing with 214 additions and 62 deletions
mysql-test/r/subselect.result
View file @ 2b6a2344
...@@ -274,7 +274,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -274,7 +274,7 @@ 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 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: 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); select * from t3 where a >= all (select b from t2);
a a
7 7
...@@ -1418,7 +1418,7 @@ INSERT INTO t1 VALUES ('z','?'); ...@@ -1418,7 +1418,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1); 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 '>' 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); 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; drop table t1;
create table t1(toid int,rd int); create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int); create table t2(userid int,pmnew int,pmtotal int);
...@@ -1507,7 +1507,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1507,7 +1507,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
...@@ -1515,7 +1515,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1515,7 +1515,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
...@@ -1526,7 +1526,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1526,7 +1526,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
...@@ -1534,7 +1534,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1534,7 +1534,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) <= `test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
...@@ -1542,7 +1542,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1542,7 +1542,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
...@@ -1550,7 +1550,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1550,7 +1550,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
...@@ -1558,7 +1558,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1558,7 +1558,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
...@@ -1566,7 +1566,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1566,7 +1566,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); 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); select * from t3 where a > all (select max(b) from t2 group by a);
a a
...@@ -1577,7 +1577,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1577,7 +1577,7 @@ 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 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 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: 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; 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 ; 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()); 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());
...@@ -1628,7 +1628,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1628,7 +1628,7 @@ 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 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: 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; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
...@@ -5127,5 +5127,24 @@ ON t2.f10 = t3.f10 ...@@ -5127,5 +5127,24 @@ ON t2.f10 = t3.f10
); );
f1 f1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
#
# 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 5.3 tests End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
mysql-test/r/subselect_no_mat.result
View file @ 2b6a2344
...@@ -279,7 +279,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -279,7 +279,7 @@ 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 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: 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); select * from t3 where a >= all (select b from t2);
a a
7 7
...@@ -1423,7 +1423,7 @@ INSERT INTO t1 VALUES ('z','?'); ...@@ -1423,7 +1423,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1); 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 '>' 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); 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; drop table t1;
create table t1(toid int,rd int); create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int); create table t2(userid int,pmnew int,pmtotal int);
...@@ -1512,7 +1512,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1512,7 +1512,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
...@@ -1520,7 +1520,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1520,7 +1520,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
...@@ -1531,7 +1531,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1531,7 +1531,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
...@@ -1539,7 +1539,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1539,7 +1539,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) <= `test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
...@@ -1547,7 +1547,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1547,7 +1547,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
...@@ -1555,7 +1555,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1555,7 +1555,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
...@@ -1563,7 +1563,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1563,7 +1563,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
...@@ -1571,7 +1571,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1571,7 +1571,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); 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); select * from t3 where a > all (select max(b) from t2 group by a);
a a
...@@ -1582,7 +1582,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1582,7 +1582,7 @@ 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 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 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: 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; 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 ; 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()); 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());
...@@ -1633,7 +1633,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1633,7 +1633,7 @@ 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 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: 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; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
...@@ -5132,6 +5132,25 @@ ON t2.f10 = t3.f10 ...@@ -5132,6 +5132,25 @@ ON t2.f10 = t3.f10
); );
f1 f1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
#
# 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 5.3 tests End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
set optimizer_switch=default; set optimizer_switch=default;
......
mysql-test/r/subselect_no_opts.result
View file @ 2b6a2344
...@@ -275,7 +275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -275,7 +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 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: 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); select * from t3 where a >= all (select b from t2);
a a
7 7
...@@ -1419,7 +1419,7 @@ INSERT INTO t1 VALUES ('z','?'); ...@@ -1419,7 +1419,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1); 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 '>' 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); 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; drop table t1;
create table t1(toid int,rd int); create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int); create table t2(userid int,pmnew int,pmtotal int);
...@@ -1508,7 +1508,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1508,7 +1508,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
...@@ -1516,7 +1516,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
...@@ -1527,7 +1527,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1527,7 +1527,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
...@@ -1535,7 +1535,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1535,7 +1535,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) <= `test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
...@@ -1543,7 +1543,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1543,7 +1543,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
...@@ -1551,7 +1551,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1551,7 +1551,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
...@@ -1559,7 +1559,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1559,7 +1559,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
...@@ -1567,7 +1567,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); 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); select * from t3 where a > all (select max(b) from t2 group by a);
a a
...@@ -1578,7 +1578,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1578,7 +1578,7 @@ 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 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 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: 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; 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 ; 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()); 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());
...@@ -1629,7 +1629,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1629,7 +1629,7 @@ 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 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: 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; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
...@@ -5128,6 +5128,25 @@ ON t2.f10 = t3.f10 ...@@ -5128,6 +5128,25 @@ ON t2.f10 = t3.f10
); );
f1 f1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
#
# 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 5.3 tests End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null; set @optimizer_switch_for_subselect_test=null;
mysql-test/r/subselect_no_semijoin.result
View file @ 2b6a2344
...@@ -275,7 +275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -275,7 +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 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: 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); select * from t3 where a >= all (select b from t2);
a a
7 7
...@@ -1419,7 +1419,7 @@ INSERT INTO t1 VALUES ('z','?'); ...@@ -1419,7 +1419,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1); 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 '>' 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); 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; drop table t1;
create table t1(toid int,rd int); create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int); create table t2(userid int,pmnew int,pmtotal int);
...@@ -1508,7 +1508,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1508,7 +1508,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
...@@ -1516,7 +1516,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
...@@ -1527,7 +1527,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1527,7 +1527,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
...@@ -1535,7 +1535,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1535,7 +1535,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) <= `test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
...@@ -1543,7 +1543,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1543,7 +1543,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
...@@ -1551,7 +1551,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1551,7 +1551,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
...@@ -1559,7 +1559,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1559,7 +1559,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
...@@ -1567,7 +1567,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); 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); select * from t3 where a > all (select max(b) from t2 group by a);
a a
...@@ -1578,7 +1578,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1578,7 +1578,7 @@ 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 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 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: 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; 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 ; 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()); 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());
...@@ -1629,7 +1629,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1629,7 +1629,7 @@ 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 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: 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; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
...@@ -5128,6 +5128,25 @@ ON t2.f10 = t3.f10 ...@@ -5128,6 +5128,25 @@ ON t2.f10 = t3.f10
); );
f1 f1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
#
# 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 5.3 tests End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
set @optimizer_switch_for_subselect_test=null; set @optimizer_switch_for_subselect_test=null;
mysql-test/r/subselect_scache.result
View file @ 2b6a2344
...@@ -278,7 +278,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -278,7 +278,7 @@ 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 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: 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); select * from t3 where a >= all (select b from t2);
a a
7 7
...@@ -1422,7 +1422,7 @@ INSERT INTO t1 VALUES ('z','?'); ...@@ -1422,7 +1422,7 @@ INSERT INTO t1 VALUES ('z','?');
select * from t1 where s1 > (select max(s2) from t1); 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 '>' 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); 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; drop table t1;
create table t1(toid int,rd int); create table t1(toid int,rd int);
create table t2(userid int,pmnew int,pmtotal int); create table t2(userid int,pmnew int,pmtotal int);
...@@ -1511,7 +1511,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1511,7 +1511,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
...@@ -1519,7 +1519,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1519,7 +1519,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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`) <= `test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
...@@ -1530,7 +1530,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1530,7 +1530,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) > `test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
...@@ -1538,7 +1538,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1538,7 +1538,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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) <= `test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
...@@ -1546,7 +1546,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1546,7 +1546,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
...@@ -1554,7 +1554,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1554,7 +1554,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
...@@ -1562,7 +1562,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1562,7 +1562,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
...@@ -1570,7 +1570,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1570,7 +1570,7 @@ 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 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 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: 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); 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); select * from t3 where a > all (select max(b) from t2 group by a);
a a
...@@ -1581,7 +1581,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1581,7 +1581,7 @@ 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 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 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: 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; 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 ; 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()); 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());
...@@ -1632,7 +1632,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1632,7 +1632,7 @@ 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 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: 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; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
...@@ -5131,6 +5131,25 @@ ON t2.f10 = t3.f10 ...@@ -5131,6 +5131,25 @@ ON t2.f10 = t3.f10
); );
f1 f1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
#
# 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 5.3 tests End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
set optimizer_switch=default; set optimizer_switch=default;
......
mysql-test/t/subselect.test
View file @ 2b6a2344
...@@ -4403,5 +4403,21 @@ WHERE ...@@ -4403,5 +4403,21 @@ WHERE
); );
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
--echo #
--echo # Fix of LP BUG#780386 (NULL left part with empty ALL subquery).
--echo #
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;
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 ) ;
DROP TABLE t1, t2, t3;
--echo End of 5.3 tests --echo End of 5.3 tests
set optimizer_switch=@subselect_tmp; set optimizer_switch=@subselect_tmp;
sql/item_cmpfunc.cc
View file @ 2b6a2344
...@@ -266,36 +266,61 @@ Item_bool_func2* Eq_creator::create(Item *a, Item *b) const ...@@ -266,36 +266,61 @@ Item_bool_func2* Eq_creator::create(Item *a, Item *b) const
return new Item_func_eq(a, b); return new Item_func_eq(a, b);
} }
Item_bool_func2* Eq_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_eq(b, a);
}
Item_bool_func2* Ne_creator::create(Item *a, Item *b) const Item_bool_func2* Ne_creator::create(Item *a, Item *b) const
{ {
return new Item_func_ne(a, b); return new Item_func_ne(a, b);
} }
Item_bool_func2* Ne_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_ne(b, a);
}
Item_bool_func2* Gt_creator::create(Item *a, Item *b) const Item_bool_func2* Gt_creator::create(Item *a, Item *b) const
{ {
return new Item_func_gt(a, b); return new Item_func_gt(a, b);
} }
Item_bool_func2* Gt_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_lt(b, a);
}
Item_bool_func2* Lt_creator::create(Item *a, Item *b) const Item_bool_func2* Lt_creator::create(Item *a, Item *b) const
{ {
return new Item_func_lt(a, b); return new Item_func_lt(a, b);
} }
Item_bool_func2* Lt_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_gt(b, a);
}
Item_bool_func2* Ge_creator::create(Item *a, Item *b) const Item_bool_func2* Ge_creator::create(Item *a, Item *b) const
{ {
return new Item_func_ge(a, b); return new Item_func_ge(a, b);
} }
Item_bool_func2* Ge_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_le(b, a);
}
Item_bool_func2* Le_creator::create(Item *a, Item *b) const Item_bool_func2* Le_creator::create(Item *a, Item *b) const
{ {
return new Item_func_le(a, b); return new Item_func_le(a, b);
} }
Item_bool_func2* Le_creator::create_swap(Item *a, Item *b) const
{
return new Item_func_ge(b, a);
}
/* /*
Test functions Test functions
Most of these returns 0LL if false and 1LL if true and Most of these returns 0LL if false and 1LL if true and
......
sql/item_cmpfunc.h
View file @ 2b6a2344
...@@ -267,7 +267,14 @@ class Comp_creator ...@@ -267,7 +267,14 @@ class Comp_creator
public: public:
Comp_creator() {} /* Remove gcc warning */ Comp_creator() {} /* Remove gcc warning */
virtual ~Comp_creator() {} /* Remove gcc warning */ virtual ~Comp_creator() {} /* Remove gcc warning */
/**
Create operation with given arguments.
*/
virtual Item_bool_func2* create(Item *a, Item *b) const = 0; virtual Item_bool_func2* create(Item *a, Item *b) const = 0;
/**
Create operation with given arguments in swap order.
*/
virtual Item_bool_func2* create_swap(Item *a, Item *b) const = 0;
virtual const char* symbol(bool invert) const = 0; virtual const char* symbol(bool invert) const = 0;
virtual bool eqne_op() const = 0; virtual bool eqne_op() const = 0;
virtual bool l_op() const = 0; virtual bool l_op() const = 0;
...@@ -279,6 +286,7 @@ public: ...@@ -279,6 +286,7 @@ public:
Eq_creator() {} /* Remove gcc warning */ Eq_creator() {} /* Remove gcc warning */
virtual ~Eq_creator() {} /* Remove gcc warning */ virtual ~Eq_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? "<>" : "="; } virtual const char* symbol(bool invert) const { return invert? "<>" : "="; }
virtual bool eqne_op() const { return 1; } virtual bool eqne_op() const { return 1; }
virtual bool l_op() const { return 0; } virtual bool l_op() const { return 0; }
...@@ -290,6 +298,7 @@ public: ...@@ -290,6 +298,7 @@ public:
Ne_creator() {} /* Remove gcc warning */ Ne_creator() {} /* Remove gcc warning */
virtual ~Ne_creator() {} /* Remove gcc warning */ virtual ~Ne_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? "=" : "<>"; } virtual const char* symbol(bool invert) const { return invert? "=" : "<>"; }
virtual bool eqne_op() const { return 1; } virtual bool eqne_op() const { return 1; }
virtual bool l_op() const { return 0; } virtual bool l_op() const { return 0; }
...@@ -301,6 +310,7 @@ public: ...@@ -301,6 +310,7 @@ public:
Gt_creator() {} /* Remove gcc warning */ Gt_creator() {} /* Remove gcc warning */
virtual ~Gt_creator() {} /* Remove gcc warning */ virtual ~Gt_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? "<=" : ">"; } virtual const char* symbol(bool invert) const { return invert? "<=" : ">"; }
virtual bool eqne_op() const { return 0; } virtual bool eqne_op() const { return 0; }
virtual bool l_op() const { return 0; } virtual bool l_op() const { return 0; }
...@@ -312,6 +322,7 @@ public: ...@@ -312,6 +322,7 @@ public:
Lt_creator() {} /* Remove gcc warning */ Lt_creator() {} /* Remove gcc warning */
virtual ~Lt_creator() {} /* Remove gcc warning */ virtual ~Lt_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? ">=" : "<"; } virtual const char* symbol(bool invert) const { return invert? ">=" : "<"; }
virtual bool eqne_op() const { return 0; } virtual bool eqne_op() const { return 0; }
virtual bool l_op() const { return 1; } virtual bool l_op() const { return 1; }
...@@ -323,6 +334,7 @@ public: ...@@ -323,6 +334,7 @@ public:
Ge_creator() {} /* Remove gcc warning */ Ge_creator() {} /* Remove gcc warning */
virtual ~Ge_creator() {} /* Remove gcc warning */ virtual ~Ge_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? "<" : ">="; } virtual const char* symbol(bool invert) const { return invert? "<" : ">="; }
virtual bool eqne_op() const { return 0; } virtual bool eqne_op() const { return 0; }
virtual bool l_op() const { return 0; } virtual bool l_op() const { return 0; }
...@@ -334,6 +346,7 @@ public: ...@@ -334,6 +346,7 @@ public:
Le_creator() {} /* Remove gcc warning */ Le_creator() {} /* Remove gcc warning */
virtual ~Le_creator() {} /* Remove gcc warning */ virtual ~Le_creator() {} /* Remove gcc warning */
virtual Item_bool_func2* create(Item *a, Item *b) const; virtual Item_bool_func2* create(Item *a, Item *b) const;
virtual Item_bool_func2* create_swap(Item *a, Item *b) const;
virtual const char* symbol(bool invert) const { return invert? ">" : "<="; } virtual const char* symbol(bool invert) const { return invert? ">" : "<="; }
virtual bool eqne_op() const { return 0; } virtual bool eqne_op() const { return 0; }
virtual bool l_op() const { return 1; } virtual bool l_op() const { return 1; }
......
sql/item_subselect.cc
View file @ 2b6a2344
...@@ -1666,8 +1666,11 @@ bool Item_allany_subselect::transform_into_max_min(JOIN *join) ...@@ -1666,8 +1666,11 @@ bool Item_allany_subselect::transform_into_max_min(JOIN *join)
*/ */
in_strategy= SUBS_MAXMIN_ENGINE; in_strategy= SUBS_MAXMIN_ENGINE;
} }
/* fix fields is already called for left expression */ /*
subs= func->create(left_expr, subs); The swap is needed for expressions of type 'f1 < ALL ( SELECT ....)'
where we want to evaluate the sub query even if f1 would be null.
*/
subs= func->create_swap(left_expr, subs);
thd->change_item_tree(place, subs); thd->change_item_tree(place, subs);
if (subs->fix_fields(thd, &subs)) if (subs->fix_fields(thd, &subs))
DBUG_RETURN(true); DBUG_RETURN(true);
......
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