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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.


mysql-test/r/func_in.result:
  Testcase for BUG#13419
mysql-test/t/func_in.test:
  Testcase for BUG#13419
sql/sql_select.cc:
  Fix for BUG#13419:
  * Take into account that item=Item_func_in(x,y) is not equivalent to "x=y" when 
    item->negated == TRUE.
  * Removed comment that is no longer true.
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unknown
2005-09-23 13:43:20 +04:00
parent 727f0b8a1f
commit 32de973588
3 changed files with 18 additions and 2 deletions
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9
mysql-test/r/func_in.result
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@@ -193,3 +193,12 @@ select * from t1 where a in (NULL, 'aa');
a
aa
drop table t1;
create table t1 (id int, key(id));
insert into t1 values (1),(2),(3);
select count(*) from t1 where id not in (1);
count(*)
2
select count(*) from t1 where id not in (1,2);
count(*)
1
drop table t1;