diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 8e8748be87a..f56b5f6e707 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -1763,7 +1763,7 @@ Item_in_subselect::single_value_transformer(JOIN *join) Item* join_having= join->having ? join->having : join->tmp_having; if (!(join_having || select_lex->with_sum_func || select_lex->group_list.elements) && - select_lex->table_list.elements == 0 && + select_lex->table_list.elements == 0 && !join->conds && !select_lex->master_unit()->is_union()) { Item *where_item= (Item*) select_lex->item_list.head(); |