diff options
Diffstat (limited to 'sql/item_func.h')
| -rw-r--r-- | sql/item_func.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sql/item_func.h b/sql/item_func.h index cb9c1929d7d..07b246b3ccd 100644 --- a/sql/item_func.h +++ b/sql/item_func.h @@ -496,6 +496,8 @@ public: { collation.set_numeric(); fix_char_length(21); } Item_int_func(Item *a,Item *b,Item *c) :Item_func(a,b,c) { collation.set_numeric(); fix_char_length(21); } + Item_int_func(Item *a,Item *b,Item *c, Item *d) :Item_func(a,b,c,d) + { collation.set_numeric(); fix_char_length(21); } Item_int_func(List<Item> &list) :Item_func(list) { collation.set_numeric(); fix_char_length(21); } Item_int_func(THD *thd, Item_int_func *item) :Item_func(thd, item) @@ -1522,6 +1524,7 @@ class Item_master_pos_wait :public Item_int_func public: Item_master_pos_wait(Item *a,Item *b) :Item_int_func(a,b) {} Item_master_pos_wait(Item *a,Item *b,Item *c) :Item_int_func(a,b,c) {} + Item_master_pos_wait(Item *a,Item *b, Item *c, Item *d) :Item_int_func(a,b,c,d) {} longlong val_int(); const char *func_name() const { return "master_pos_wait"; } void fix_length_and_dec() { max_length=21; maybe_null=1;} @@ -1670,7 +1673,7 @@ public: my_decimal *val_decimal(my_decimal *decimal_buffer); /* fix_fields() binds variable name with its entry structure */ bool fix_fields(THD *thd, Item **ref); - virtual void print(String *str, enum_query_type query_type); + void print_for_load(THD *thd, String *str); void set_null_value(CHARSET_INFO* cs); void set_value(const char *str, uint length, CHARSET_INFO* cs); }; @@ -2003,6 +2006,27 @@ public: } }; + +class Item_func_last_value :public Item_func +{ +protected: + Item *last_value; +public: + Item_func_last_value(List<Item> &list) :Item_func(list) {} + double val_real(); + longlong val_int(); + String *val_str(String *); + my_decimal *val_decimal(my_decimal *); + void fix_length_and_dec(); + enum Item_result result_type () const { return last_value->result_type(); } + const char *func_name() const { return "last_value"; } + table_map not_null_tables() const { return 0; } + enum_field_types field_type() const { return last_value->field_type(); } + bool const_item() const { return 0; } + void evaluate_sideeffects(); +}; + + Item *get_system_var(THD *thd, enum_var_type var_type, LEX_STRING name, LEX_STRING component); extern bool check_reserved_words(LEX_STRING *name); |