diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 0eb22df5c20..b550d6e8e8e 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -39,7 +39,8 @@ inline Item * and_items(Item* cond, Item *item) Item_subselect::Item_subselect(): Item_result_field(), value_assigned(0), thd(0), substitution(0), engine(0), old_engine(0), used_tables_cache(0), have_to_be_excluded(0), - const_item_cache(1), in_fix_fields(0), engine_changed(0), changed(0), is_correlated(FALSE) + const_item_cache(1), in_fix_fields(0), eliminated(FALSE), + engine_changed(0), changed(0), is_correlated(FALSE) { with_subselect= 1; reset(); @@ -431,6 +432,7 @@ void Item_maxmin_subselect::print(String *str, enum_query_type query_type) void Item_singlerow_subselect::reset() { + eliminated= FALSE; null_value= 1; if (value) value->null_value= 1; @@ -1774,6 +1776,10 @@ int subselect_single_select_engine::prepare() { if (prepared) return 0; + if (select_lex->join) + { + select_lex->cleanup(); + } join= new JOIN(thd, select_lex->item_list, select_lex->options | SELECT_NO_UNLOCK, result); if (!join || !result) |