diff options
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index 7a22e76b217..75c8411b844 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -108,8 +108,8 @@ public: Item_in_optimizer(Item *a, Item_in_subselect *b): Item_bool_func(a, my_reinterpret_cast(Item *)(b)), cache(0), save_cache(0) {} - bool fix_fields(THD *, struct st_table_list *, Item **); - bool fix_left(THD *thd, struct st_table_list *tables, Item **ref); + bool fix_fields(THD *, Item **); + bool fix_left(THD *thd, Item **ref); bool is_null(); /* Item_in_optimizer item is special boolean function. On value request @@ -502,11 +502,11 @@ public: String *val_str(String *str); my_decimal *val_decimal(my_decimal *); enum Item_result result_type () const { return cached_result_type; } - bool fix_fields(THD *thd,struct st_table_list *tlist, Item **ref) + bool fix_fields(THD *thd, Item **ref) { DBUG_ASSERT(fixed == 0); args[0]->top_level_item(); - return Item_func::fix_fields(thd, tlist, ref); + return Item_func::fix_fields(thd, ref); } void fix_length_and_dec(); uint decimal_precision() const; @@ -566,6 +566,7 @@ public: longlong val_int(); String *val_str(String *); my_decimal *val_decimal(my_decimal *); + bool fix_fields(THD *thd, Item **ref); void fix_length_and_dec(); uint decimal_precision() const; table_map not_null_tables() const { return 0; } @@ -849,6 +850,12 @@ class Item_func_in :public Item_int_func bool nulls_in_row(); bool is_bool_func() { return 1; } CHARSET_INFO *compare_collation() { return cmp_collation.collation; } + /* + IN() protect from NULL only first argument, if construction like + "expression IN ()" will be allowed, we will need to check number of + argument here, because "NOT(NULL IN ())" is TRUE. + */ + table_map not_null_tables() const { return args[0]->not_null_tables(); } }; /* Functions used by where clause */ @@ -961,7 +968,7 @@ public: optimize_type select_optimize() const; cond_result eq_cmp_result() const { return COND_TRUE; } const char *func_name() const { return "like"; } - bool fix_fields(THD *thd, struct st_table_list *tlist, Item **ref); + bool fix_fields(THD *thd, Item **ref); }; #ifdef USE_REGEX @@ -980,7 +987,7 @@ public: regex_compiled(0),regex_is_const(0) {} void cleanup(); longlong val_int(); - bool fix_fields(THD *thd, struct st_table_list *tlist, Item **ref); + bool fix_fields(THD *thd, Item **ref); const char *func_name() const { return "regexp"; } void print(String *str) { print_op(str); } CHARSET_INFO *compare_collation() { return cmp_collation.collation; } @@ -1024,7 +1031,7 @@ public: :Item_bool_func(), list(nlist), abort_on_null(0) {} bool add(Item *item) { return list.push_back(item); } void add_at_head(List<Item> *nlist) { list.prepand(nlist); } - bool fix_fields(THD *, struct st_table_list *, Item **ref); + bool fix_fields(THD *, Item **ref); enum Type type() const { return COND_ITEM; } List<Item>* argument_list() { return &list; } @@ -1033,7 +1040,7 @@ public: void print(String *str); void split_sum_func(THD *thd, Item **ref_pointer_array, List<Item> &fields); friend int setup_conds(THD *thd, TABLE_LIST *tables, TABLE_LIST *leaves, - COND **conds); + COND **conds); void top_level_item() { abort_on_null=1; } void copy_andor_arguments(THD *thd, Item_cond *item); bool walk(Item_processor processor, byte *arg); @@ -1141,7 +1148,7 @@ public: void sort(Item_field_cmpfunc cmp, void *arg); friend class Item_equal_iterator; void fix_length_and_dec(); - bool fix_fields(THD *thd, TABLE_LIST *tables, Item **ref); + bool fix_fields(THD *thd, Item **ref); void update_used_tables(); bool walk(Item_processor processor, byte *arg); Item *transform(Item_transformer transformer, byte *arg); |