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reporting empty result added in case of max/min optimisation of ALL/ANY/SOME subqueries

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fixed null processing in NOT operation used in ALL subquery (Bug #6247)
This commit is contained in:
bell@sanja.is.com.ua
2004-11-18 18:10:07 +02:00
parent 078597564d
commit f5e253dc2f
11 changed files with 230 additions and 26 deletions
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3
sql/sql_class.cc
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@@ -1241,9 +1241,10 @@ bool select_singlerow_subselect::send_data(List<Item> &items)
bool select_max_min_finder_subselect::send_data(List<Item> &items)
{
DBUG_ENTER("select_max_min_finder_subselect::send_data");
Item_singlerow_subselect *it= (Item_singlerow_subselect *)item;
Item_maxmin_subselect *it= (Item_maxmin_subselect *)item;
List_iterator_fast<Item> li(items);
Item *val_item= li++;
it->register_value();
if (it->assigned())
{
cache->store(val_item);