diff options
Diffstat (limited to 'sql/item_subselect.h')
| -rw-r--r-- | sql/item_subselect.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/item_subselect.h b/sql/item_subselect.h index 93171ad64a1..7b064bfe92c 100644 --- a/sql/item_subselect.h +++ b/sql/item_subselect.h @@ -142,6 +142,7 @@ public: longlong val_int (); String *val_str (String *); enum Item_result result_type() const; + enum_field_types field_type() const; void fix_length_and_dec(); uint cols(); @@ -273,6 +274,7 @@ protected: THD *thd; /* pointer to current THD */ Item_subselect *item; /* item, that use this engine */ enum Item_result res_type; /* type of results */ + enum_field_types res_field_type; /* column type of the results */ bool maybe_null; /* may be null (first item in select) */ public: @@ -282,6 +284,7 @@ public: result= res; item= si; res_type= STRING_RESULT; + res_field_type= FIELD_TYPE_VAR_STRING; maybe_null= 0; } virtual ~subselect_engine() {}; // to satisfy compiler @@ -296,6 +299,7 @@ public: virtual uint cols()= 0; /* return number of columnss in select */ virtual uint8 uncacheable()= 0; /* query is uncacheable */ enum Item_result type() { return res_type; } + enum_field_types field_type() { return res_field_type; } virtual void exclude()= 0; bool may_be_null() { return maybe_null; }; virtual table_map upper_select_const_tables()= 0; @@ -303,6 +307,9 @@ public: virtual void print(String *str)= 0; virtual int change_item(Item_subselect *si, select_subselect *result)= 0; virtual bool no_tables()= 0; + +protected: + void set_row(List<Item> &item_list, Item_cache **row); }; |