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Fix for BUG#13419: In "ref" optimizer, take into account that item=Item_func_in(x,y) is

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not equivalent to "x=y" when item->negated == TRUE.
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sergefp@mysql.com
2005-09-23 13:43:20 +04:00
parent 4700631aa8
commit 40ba88ca07
3 changed files with 18 additions and 2 deletions
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7
mysql-test/t/func_in.test
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@@ -102,4 +102,11 @@ insert into t1 values ('aa'), ('bb');
select * from t1 where a in (NULL, 'aa');
drop table t1;
# BUG#13419
create table t1 (id int, key(id));
insert into t1 values (1),(2),(3);
select count(*) from t1 where id not in (1);
select count(*) from t1 where id not in (1,2);
drop table t1;
# End of 4.1 tests