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fixed not_null_tables() for IN() (BUG#9393)

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(IN() remove NULL rows only for tables from first argument (value which we looking for in IN() list) but not for tables from IN() list)
Also it will be better change Item::not_null_tables() to prohibit this optimisation by default for new created items in 5.0 or 5.1.


mysql-test/r/select.result:
  IN with outer join condition
mysql-test/t/select.test:
  IN with outer join condition
sql/item_cmpfunc.h:
  correct not_null_tables() for IN
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unknown
2005-06-28 22:20:25 +03:00
parent d8edc2db59
commit 3aca0a0c62
3 changed files with 30 additions and 0 deletions
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9
mysql-test/r/select.result
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@ -2515,3 +2515,12 @@ SELECT b FROM t1 WHERE b=0x8000000000000000;
b
9223372036854775808
DROP TABLE t1;
CREATE TABLE `t1` ( `gid` int(11) default NULL, `uid` int(11) default NULL);
CREATE TABLE `t2` ( `ident` int(11) default NULL, `level` char(16) default NULL);
INSERT INTO `t2` VALUES (0,'READ');
CREATE TABLE `t3` ( `id` int(11) default NULL, `name` char(16) default NULL);
INSERT INTO `t3` VALUES (1,'fs');
select * from t3 left join t1 on t3.id = t1.uid, t2 where t2.ident in (0, t1.gid, t3.id, 0);
id name gid uid ident level
1 fs NULL NULL 0 READ
drop table t1,t2,t3;