diff options
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 80 |
1 files changed, 42 insertions, 38 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index 6d02d6642e2..b943bfc90da 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -367,36 +367,37 @@ public: Item_bool_func(thd, a, b), cache(0), expr_cache(0), save_cache(0), result_for_null_param(UNKNOWN) { m_with_subquery= true; } - bool fix_fields(THD *, Item **); + bool fix_fields(THD *, Item **) override; bool fix_left(THD *thd); - table_map not_null_tables() const { return 0; } - bool is_null(); - longlong val_int(); - void cleanup(); - enum Functype functype() const { return IN_OPTIMIZER_FUNC; } - const char *func_name() const { return "<in_optimizer>"; } + table_map not_null_tables() const override { return 0; } + bool is_null() override; + longlong val_int() override; + void cleanup() override; + enum Functype functype() const override { return IN_OPTIMIZER_FUNC; } + const char *func_name() const override { return "<in_optimizer>"; } Item_cache **get_cache() { return &cache; } void keep_top_level_cache(); - Item *transform(THD *thd, Item_transformer transformer, uchar *arg); - virtual Item *expr_cache_insert_transformer(THD *thd, uchar *unused); - bool is_expensive_processor(void *arg); - bool is_expensive(); - void set_join_tab_idx(uint join_tab_idx_arg) + Item *transform(THD *thd, Item_transformer transformer, uchar *arg) override; + Item *expr_cache_insert_transformer(THD *thd, uchar *unused) override; + bool is_expensive_processor(void *arg) override; + bool is_expensive() override; + void set_join_tab_idx(uint join_tab_idx_arg) override { args[1]->set_join_tab_idx(join_tab_idx_arg); } - virtual void get_cache_parameters(List<Item> ¶meters); - bool is_top_level_item(); - bool eval_not_null_tables(void *opt_arg); - bool find_not_null_fields(table_map allowed); - void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge); + void get_cache_parameters(List<Item> ¶meters) override; + bool is_top_level_item() const override; + bool eval_not_null_tables(void *opt_arg) override; + bool find_not_null_fields(table_map allowed) override; + void fix_after_pullout(st_select_lex *new_parent, Item **ref, + bool merge) override; bool invisible_mode(); void reset_cache() { cache= NULL; } - virtual void print(String *str, enum_query_type query_type); + void print(String *str, enum_query_type query_type) override; void restore_first_argument(); Item* get_wrapped_in_subselect_item() { return args[1]; } - Item *get_copy(THD *thd) + Item *get_copy(THD *thd) override { return get_item_copy<Item_in_optimizer>(thd, this); } - enum precedence precedence() const { return args[1]->precedence(); } + enum precedence precedence() const override { return args[1]->precedence(); } }; @@ -601,17 +602,17 @@ class Item_func_not :public Item_bool_func public: Item_func_not(THD *thd, Item *a): Item_bool_func(thd, a), abort_on_null(FALSE) {} - virtual void top_level_item() { abort_on_null= 1; } - bool is_top_level_item() { return abort_on_null; } - longlong val_int(); - enum Functype functype() const { return NOT_FUNC; } - const char *func_name() const { return "not"; } - bool find_not_null_fields(table_map allowed) { return false; } - enum precedence precedence() const { return BANG_PRECEDENCE; } - Item *neg_transformer(THD *thd); - bool fix_fields(THD *, Item **); - virtual void print(String *str, enum_query_type query_type); - Item *get_copy(THD *thd) + void top_level_item() override { abort_on_null= 1; } + bool is_top_level_item() const override { return abort_on_null; } + longlong val_int() override; + enum Functype functype() const override { return NOT_FUNC; } + const char *func_name() const override { return "not"; } + bool find_not_null_fields(table_map allowed) override { return false; } + enum precedence precedence() const override { return BANG_PRECEDENCE; } + Item *neg_transformer(THD *thd) override; + bool fix_fields(THD *, Item **) override; + void print(String *str, enum_query_type query_type) override; + Item *get_copy(THD *thd) override { return get_item_copy<Item_func_not>(thd, this); } }; @@ -889,19 +890,22 @@ public: Item_func_opt_neg(THD *thd, List<Item> &list): Item_bool_func(thd, list), negated(0), pred_level(0) {} public: - inline void top_level_item() { pred_level= 1; } - bool is_top_level_item() const { return pred_level; } - Item *neg_transformer(THD *thd) + void top_level_item() override { pred_level= 1; } + bool is_top_level_item() const override { return pred_level; } + Item *neg_transformer(THD *thd) override { negated= !negated; return this; } - bool eq(const Item *item, bool binary_cmp) const; - CHARSET_INFO *compare_collation() const { return cmp_collation.collation; } - Item* propagate_equal_fields(THD *, const Context &, COND_EQUAL *) = 0; + bool eq(const Item *item, bool binary_cmp) const override; + CHARSET_INFO *compare_collation() const override + { + return cmp_collation.collation; + } + Item *propagate_equal_fields(THD *, const Context &, + COND_EQUAL *) override= 0; }; - class Item_func_between :public Item_func_opt_neg { protected: |