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Fixed creating limit for exists subquery.

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unknown 2012-01-23 15:14:13 +02:00
parent 7bdbdb05ce
commit 5db8b5113b
1 changed files with 2 additions and 1 deletions
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3
sql/item_subselect.cc
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@ -1259,7 +1259,8 @@ void Item_exists_subselect::fix_length_and_dec()
We need only 1 row to determine existence (i.e. any EXISTS that is not
an IN always requires LIMIT 1)
*/
unit->global_parameters->select_limit= new Item_int((int32) 1);
thd->change_item_tree(&unit->global_parameters->select_limit,
new Item_int((int32) 1));
DBUG_PRINT("info", ("Set limit to 1"));
DBUG_VOID_RETURN;
}