From 71622d51c39ee8a670d80201545c523d38390c5f Mon Sep 17 00:00:00 2001 From: unknown Date: Sat, 7 Dec 2002 16:00:39 +0200 Subject: Row item fixing (SCRUM related) Inserted comment sql/item_row.cc: Row item fixing sql/item_row.h: Row item fixing sql/sql_select.cc: Inserted comment --- sql/item_row.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'sql/item_row.h') diff --git a/sql/item_row.h b/sql/item_row.h index 5580250b4fb..d097fca8f1d 100644 --- a/sql/item_row.h +++ b/sql/item_row.h @@ -17,13 +17,17 @@ class Item_row: public Item { bool array_holder; - table_map tables; + table_map used_tables_cache; + bool const_item_cache; uint arg_count; Item **items; public: Item_row(List &); Item_row(Item_row *item): - Item(), array_holder(0), tables(item->tables), arg_count(item->arg_count), + Item(), array_holder(0), + used_tables_cache(item->used_tables_cache), + const_item_cache(item->const_item_cache), + arg_count(item->arg_count), items(item->items) {} @@ -56,8 +60,10 @@ public: return 0; }; bool fix_fields(THD *thd, TABLE_LIST *tables, Item **ref); - table_map used_tables() const { return tables; }; + table_map used_tables() const { return used_tables_cache; }; + bool const_item() const { return const_item_cache; }; enum Item_result result_type() const { return ROW_RESULT; } + void update_used_tables(); virtual uint cols() { return arg_count; } virtual Item* el(uint i) { return items[i]; } -- cgit v1.2.1