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This commit is contained in:
Alexey Kopytov
2010-08-24 14:44:15 +04:00
parent 8f81ceeb98 0e74ac5028
commit 947c7f3029
5 changed files with 114 additions and 8 deletions
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22
sql/sql_select.cc
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@ -2378,13 +2378,8 @@ JOIN::destroy()
cleanup(1);
/* Cleanup items referencing temporary table columns */
if (!tmp_all_fields3.is_empty())
{
List_iterator_fast<Item> it(tmp_all_fields3);
Item *item;
while ((item= it++))
item->cleanup();
}
cleanup_item_list(tmp_all_fields1);
cleanup_item_list(tmp_all_fields3);
if (exec_tmp_table1)
free_tmp_table(thd, exec_tmp_table1);
if (exec_tmp_table2)
@ -2395,6 +2390,19 @@ JOIN::destroy()
DBUG_RETURN(error);
}
void JOIN::cleanup_item_list(List<Item> &items) const
{
if (!items.is_empty())
{
List_iterator_fast<Item> it(items);
Item *item;
while ((item= it++))
item->cleanup();
}
}
/**
An entry point to single-unit select (a select without UNION).