diff options
Diffstat (limited to 'sql/item_func.h')
| -rw-r--r-- | sql/item_func.h | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/sql/item_func.h b/sql/item_func.h index 2d70f57d0e9..9a0201cb28b 100644 --- a/sql/item_func.h +++ b/sql/item_func.h @@ -147,11 +147,11 @@ public: void count_only_length(); void count_real_length(); void count_decimal_length(); - inline bool get_arg0_date(TIME *ltime, uint fuzzy_date) + inline bool get_arg0_date(MYSQL_TIME *ltime, uint fuzzy_date) { return (null_value=args[0]->get_date(ltime, fuzzy_date)); } - inline bool get_arg0_time(TIME *ltime) + inline bool get_arg0_time(MYSQL_TIME *ltime) { return (null_value=args[0]->get_time(ltime)); } @@ -331,8 +331,8 @@ class Item_decimal_typecast :public Item_func public: Item_decimal_typecast(Item *a, int len, int dec) :Item_func(a) { - max_length= len + 2; decimals= dec; + max_length= my_decimal_precision_to_length(len, dec, unsigned_flag); } String *val_str(String *str); double val_real(); @@ -687,15 +687,24 @@ class Item_func_min_max :public Item_func Item_result cmp_type; String tmp_value; int cmp_sign; + /* TRUE <=> arguments should be compared in the DATETIME context. */ + bool compare_as_dates; + /* An item used for issuing warnings while string to DATETIME conversion. */ + Item *datetime_item; + THD *thd; + public: Item_func_min_max(List<Item> &list,int cmp_sign_arg) :Item_func(list), - cmp_type(INT_RESULT), cmp_sign(cmp_sign_arg) {} + cmp_type(INT_RESULT), cmp_sign(cmp_sign_arg), compare_as_dates(FALSE), + datetime_item(0) {} 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 cmp_type; } + bool result_as_longlong() { return compare_as_dates; }; + uint cmp_datetimes(ulonglong *value); }; class Item_func_min :public Item_func_min_max @@ -1199,6 +1208,10 @@ public: longlong val_int(); String *val_str(String *str); my_decimal *val_decimal(my_decimal *); + double val_result(); + longlong val_int_result(); + String *str_result(String *str); + my_decimal *val_decimal_result(my_decimal *); bool update_hash(void *ptr, uint length, enum Item_result type, CHARSET_INFO *cs, Derivation dv, bool unsigned_arg); bool send(Protocol *protocol, String *str_arg); @@ -1211,7 +1224,13 @@ public: void print(String *str); void print_as_stmt(String *str); const char *func_name() const { return "set_user_var"; } - int save_in_field(Field *field, bool no_conversions); + int save_in_field(Field *field, bool no_conversions, + bool can_use_result_field); + int save_in_field(Field *field, bool no_conversions) + { + return save_in_field(field, no_conversions, 1); + } + void save_org_in_field(Field *field) { (void)save_in_field(field, 1, 0); } }; |