diff options
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index 7805411dfa2..0e23ba64843 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -45,24 +45,22 @@ class Arg_comparator: public Sql_alloc bool is_nulls_eq; // TRUE <=> compare for the EQUAL_FUNC bool set_null; // TRUE <=> set owner->null_value // when one of arguments is NULL. - bool year_as_datetime; // TRUE <=> convert YEAR value to - // the YYYY-00-00 00:00:00 DATETIME - // format. See compare_year. enum enum_date_cmp_type { CMP_DATE_DFLT= 0, CMP_DATE_WITH_DATE, CMP_DATE_WITH_STR, CMP_STR_WITH_DATE }; longlong (*get_value_a_func)(THD *thd, Item ***item_arg, Item **cache_arg, Item *warn_item, bool *is_null); longlong (*get_value_b_func)(THD *thd, Item ***item_arg, Item **cache_arg, Item *warn_item, bool *is_null); + bool try_year_cmp_func(Item_result type); public: DTCollation cmp_collation; /* Allow owner function to use string buffers. */ String value1, value2; Arg_comparator(): thd(0), a_cache(0), b_cache(0), set_null(0), - year_as_datetime(0), get_value_a_func(0), get_value_b_func(0) {}; + get_value_a_func(0), get_value_b_func(0) {}; Arg_comparator(Item **a1, Item **a2): a(a1), b(a2), thd(0), - a_cache(0), b_cache(0), set_null(0), year_as_datetime(0), + a_cache(0), b_cache(0), set_null(0), get_value_a_func(0), get_value_b_func(0) {}; int set_compare_func(Item_result_field *owner, Item_result type); @@ -104,7 +102,6 @@ public: int compare_real_fixed(); int compare_e_real_fixed(); int compare_datetime(); // compare args[0] & args[1] as DATETIMEs - int compare_year(); static enum enum_date_cmp_type can_compare_as_dates(Item *a, Item *b, ulonglong *const_val_arg); @@ -1586,7 +1583,9 @@ class Item_equal: public Item_bool_func List<Item_field> fields; /* list of equal field items */ Item *const_item; /* optional constant item equal to fields items */ cmp_item *eval_item; + Arg_comparator cmp; bool cond_false; + bool compare_as_dates; public: inline Item_equal() : Item_bool_func(), const_item(0), eval_item(0), cond_false(0) @@ -1595,6 +1594,8 @@ public: Item_equal(Item *c, Item_field *f); Item_equal(Item_equal *item_equal); inline Item* get_const() { return const_item; } + void compare_const(Item *c); + void add(Item *c, Item_field *f); void add(Item *c); void add(Item_field *f); uint members(); |