diff options
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index add2e0b6f9b..47a143e172a 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -44,7 +44,8 @@ class Cached_item; /* base class for subselects */ -class Item_subselect :public Item_result_field +class Item_subselect :public Item_result_field, + protected Used_tables_and_const_cache { bool value_assigned; /* value already assigned to subselect */ bool own_engine; /* the engine was not taken from other Item_subselect */ @@ -53,16 +54,12 @@ protected: THD *thd; /* old engine if engine was changed */ subselect_engine *old_engine; - /* cache of used external tables */ - table_map used_tables_cache; /* allowed number of columns (1 for single value subqueries) */ uint max_columns; /* where subquery is placed */ enum_parsing_place parsing_place; /* work with 'substitution' */ bool have_to_be_excluded; - /* cache of constant state */ - bool const_item_cache; bool inside_first_fix_fields; bool done_first_fix_fields; |