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-rw-r--r--sql/sql_union.cc10
1 files changed, 1 insertions, 9 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index faf0a81c40d..3382eba260c 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -199,7 +199,6 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
SELECT_LEX *sl, *first_sl= first_select();
select_result *tmp_result;
bool is_union_select;
- TABLE *empty_table= 0;
DBUG_ENTER("st_select_lex_unit::prepare");
describe= test(additional_options & SELECT_DESCRIBE);
@@ -301,14 +300,6 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
types= first_sl->item_list;
else if (sl == first_sl)
{
- /*
- We need to create an empty table object. It is used
- to create tmp_table fields in Item_type_holder.
- The main reason of this is that we can't create
- field object without table.
- */
- DBUG_ASSERT(!empty_table);
- empty_table= (TABLE*) thd->calloc(sizeof(TABLE));
types.empty();
List_iterator_fast<Item> it(sl->item_list);
Item *item_tmp;
@@ -466,6 +457,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
err:
thd_arg->lex->current_select= lex_select_save;
+ (void) cleanup();
DBUG_RETURN(TRUE);
}