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authorunknown <bell@sanja.is.com.ua>2002-12-10 11:45:40 +0200
committerunknown <bell@sanja.is.com.ua>2002-12-10 11:45:40 +0200
commit6f88718fc9cffbb4cdff768de100691a70067272 (patch)
treef6ca7aa660a25caf3c2288ff373f1cb799f4e33b /sql/item_row.h
parentcd292d1f0375f8069fd230da38dcc1f6826674a3 (diff)
parent3b24e7c0657377283356d934f4da11e3b940f80b (diff)
downloadmariadb-git-6f88718fc9cffbb4cdff768de100691a70067272.tar.gz
merging
sql/item_cmpfunc.cc: Auto merged sql/sql_select.cc: Auto merged
Diffstat (limited to 'sql/item_row.h')
-rw-r--r--sql/item_row.h12
1 files changed, 9 insertions, 3 deletions
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> &);
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]; }