diff options
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index 3e8dd0e02dc..1efdf23d1fc 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -36,6 +36,8 @@ class Item_subselect :public Item_result_field my_bool engine_owner; /* Is this item owner of engine */ my_bool value_assigned; /* value already assigned to subselect */ protected: + /* thread handler, will be assigned in fix_fields only */ + THD *thd; /* substitution instead of subselect in case of optimization */ Item *substitution; /* engine that perform execution of subselect (single select or union) */ @@ -83,6 +85,7 @@ public: return null_value; } bool fix_fields(THD *thd, TABLE_LIST *tables, Item **ref); + bool exec(); virtual void fix_length_and_dec(); table_map used_tables() const; void print(String *str) |