diff options
Diffstat (limited to 'sql/item_cmpfunc.h')
| -rw-r--r-- | sql/item_cmpfunc.h | 311 |
1 files changed, 146 insertions, 165 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index b4f5d2dd963..83f3afaa009 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -155,11 +155,11 @@ protected: KEY_PART *key_part, Item_func::Functype type, Item *value); public: - Item_bool_func() :Item_int_func() {} - Item_bool_func(Item *a) :Item_int_func(a) {} - Item_bool_func(Item *a,Item *b) :Item_int_func(a,b) {} - Item_bool_func(Item *a, Item *b, Item *c) :Item_int_func(a, b, c) {} - Item_bool_func(List<Item> &list) :Item_int_func(list) { } + Item_bool_func(THD *thd): Item_int_func(thd) {} + Item_bool_func(THD *thd, Item *a): Item_int_func(thd, a) {} + Item_bool_func(THD *thd, Item *a, Item *b): Item_int_func(thd, a, b) {} + Item_bool_func(THD *thd, Item *a, Item *b, Item *c): Item_int_func(thd, a, b, c) {} + Item_bool_func(THD *thd, List<Item> &list): Item_int_func(thd, list) { } Item_bool_func(THD *thd, Item_bool_func *item) :Item_int_func(thd, item) {} bool is_bool_type() { return true; } void fix_length_and_dec() { decimals=0; max_length=1; } @@ -181,8 +181,8 @@ public: virtual void print(String *str, enum_query_type query_type); protected: - Item_func_truth(Item *a, bool a_value, bool a_affirmative) - : Item_bool_func(a), value(a_value), affirmative(a_affirmative) + Item_func_truth(THD *thd, Item *a, bool a_value, bool a_affirmative): + Item_bool_func(thd, a), value(a_value), affirmative(a_affirmative) {} ~Item_func_truth() @@ -207,7 +207,7 @@ private: class Item_func_istrue : public Item_func_truth { public: - Item_func_istrue(Item *a) : Item_func_truth(a, true, true) {} + Item_func_istrue(THD *thd, Item *a): Item_func_truth(thd, a, true, true) {} ~Item_func_istrue() {} virtual const char* func_name() const { return "istrue"; } }; @@ -220,7 +220,8 @@ public: class Item_func_isnottrue : public Item_func_truth { public: - Item_func_isnottrue(Item *a) : Item_func_truth(a, true, false) {} + Item_func_isnottrue(THD *thd, Item *a): + Item_func_truth(thd, a, true, false) {} ~Item_func_isnottrue() {} virtual const char* func_name() const { return "isnottrue"; } }; @@ -233,7 +234,7 @@ public: class Item_func_isfalse : public Item_func_truth { public: - Item_func_isfalse(Item *a) : Item_func_truth(a, false, true) {} + Item_func_isfalse(THD *thd, Item *a): Item_func_truth(thd, a, false, true) {} ~Item_func_isfalse() {} virtual const char* func_name() const { return "isfalse"; } }; @@ -246,7 +247,8 @@ public: class Item_func_isnotfalse : public Item_func_truth { public: - Item_func_isnotfalse(Item *a) : Item_func_truth(a, false, false) {} + Item_func_isnotfalse(THD *thd, Item *a): + Item_func_truth(thd, a, false, false) {} ~Item_func_isnotfalse() {} virtual const char* func_name() const { return "isnotfalse"; } }; @@ -285,8 +287,8 @@ protected: */ int result_for_null_param; public: - Item_in_optimizer(Item *a, Item *b): - Item_bool_func(a, b), cache(0), expr_cache(0), + Item_in_optimizer(THD *thd, Item *a, Item *b): + Item_bool_func(thd, a, b), cache(0), expr_cache(0), save_cache(0), result_for_null_param(UNKNOWN) { with_subselect= true; } bool fix_fields(THD *, Item **); @@ -298,8 +300,8 @@ public: const char *func_name() const { return "<in_optimizer>"; } Item_cache **get_cache() { return &cache; } void keep_top_level_cache(); - Item *transform(Item_transformer transformer, uchar *arg); - virtual Item *expr_cache_insert_transformer(uchar *thd_arg); + Item *transform(THD *thd, Item_transformer transformer, uchar *arg); + virtual Item *expr_cache_insert_transformer(THD *thd, uchar *unused); bool is_expensive_processor(uchar *arg); bool is_expensive(); void set_join_tab_idx(uint join_tab_idx_arg) @@ -339,8 +341,8 @@ protected: DBUG_RETURN(get_mm_parts(param, field, func_type, value, cmp_type)); } public: - Item_bool_func2(Item *a,Item *b) - :Item_bool_func(a,b) { } + Item_bool_func2(THD *thd, Item *a, Item *b): + Item_bool_func(thd, a, b) { } virtual enum Functype rev_functype() const { return UNKNOWN_FUNC; } bool is_null() { return MY_TEST(args[0]->is_null() || args[1]->is_null()); } @@ -355,8 +357,8 @@ class Item_bool_rowready_func2 :public Item_bool_func2 protected: Arg_comparator cmp; public: - Item_bool_rowready_func2(Item *a, Item *b) - :Item_bool_func2(a, b), cmp(tmp_arg, tmp_arg+1) + Item_bool_rowready_func2(THD *thd, Item *a, Item *b): + Item_bool_func2(thd, a, b), cmp(tmp_arg, tmp_arg + 1) { allowed_arg_cols= 0; // Fetch this value from first argument } @@ -365,7 +367,7 @@ public: Item_func::print_op(str, query_type); } Item *neg_transformer(THD *thd); - virtual Item *negated_item(); + virtual Item *negated_item(THD *thd); bool subst_argument_checker(uchar **arg) { return (*arg != NULL); @@ -408,7 +410,7 @@ public: class Item_func_xor :public Item_bool_func { public: - Item_func_xor(Item *i1, Item *i2) :Item_bool_func(i1, i2) {} + Item_func_xor(THD *thd, Item *i1, Item *i2): Item_bool_func(thd, i1, i2) {} enum Functype functype() const { return XOR_FUNC; } const char *func_name() const { return "xor"; } void print(String *str, enum_query_type query_type) @@ -425,7 +427,8 @@ class Item_func_not :public Item_bool_func { bool abort_on_null; public: - Item_func_not(Item *a) :Item_bool_func(a), abort_on_null(FALSE) {} + 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(); @@ -471,7 +474,8 @@ class Item_func_trig_cond: public Item_bool_func { bool *trig_var; public: - Item_func_trig_cond(Item *a, bool *f) : Item_bool_func(a) { trig_var= f; } + Item_func_trig_cond(THD *thd, Item *a, bool *f): Item_bool_func(thd, a) + { trig_var= f; } longlong val_int() { return *trig_var ? args[0]->val_int() : 1; } enum Functype functype() const { return TRIG_COND_FUNC; }; const char *func_name() const { return "trigcond"; }; @@ -491,9 +495,8 @@ class Item_func_not_all :public Item_func_not public: bool show; - Item_func_not_all(Item *a) - :Item_func_not(a), test_sum_item(0), test_sub_item(0), - show(0) + Item_func_not_all(THD *thd, Item *a): + Item_func_not(thd, a), test_sum_item(0), test_sub_item(0), show(0) {} table_map not_null_tables() const { return 0; } longlong val_int(); @@ -513,7 +516,7 @@ class Item_func_nop_all :public Item_func_not_all { public: - Item_func_nop_all(Item *a) :Item_func_not_all(a) {} + Item_func_nop_all(THD *thd, Item *a): Item_func_not_all(thd, a) {} longlong val_int(); const char *func_name() const { return "<nop>"; } Item *neg_transformer(THD *thd); @@ -524,8 +527,8 @@ class Item_func_eq :public Item_bool_rowready_func2 { bool abort_on_null; public: - Item_func_eq(Item *a,Item *b) : - Item_bool_rowready_func2(a,b), + Item_func_eq(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b), abort_on_null(false), in_equality_no(UINT_MAX) {} longlong val_int(); @@ -534,7 +537,7 @@ public: cond_result eq_cmp_result() const { return COND_TRUE; } const char *func_name() const { return "="; } void top_level_item() { abort_on_null= true; } - Item *negated_item(); + Item *negated_item(THD *thd); COND *build_equal_items(THD *thd, COND_EQUAL *inherited, bool link_item_fields, COND_EQUAL **cond_equal_ref); @@ -561,7 +564,8 @@ public: class Item_func_equal :public Item_bool_rowready_func2 { public: - Item_func_equal(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {}; + Item_func_equal(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {} longlong val_int(); void fix_length_and_dec(); table_map not_null_tables() const { return 0; } @@ -583,52 +587,56 @@ public: class Item_func_ge :public Item_bool_rowready_func2 { public: - Item_func_ge(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {}; + Item_func_ge(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {}; longlong val_int(); enum Functype functype() const { return GE_FUNC; } enum Functype rev_functype() const { return LE_FUNC; } cond_result eq_cmp_result() const { return COND_TRUE; } const char *func_name() const { return ">="; } - Item *negated_item(); + Item *negated_item(THD *thd); }; class Item_func_gt :public Item_bool_rowready_func2 { public: - Item_func_gt(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {}; + Item_func_gt(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {}; longlong val_int(); enum Functype functype() const { return GT_FUNC; } enum Functype rev_functype() const { return LT_FUNC; } cond_result eq_cmp_result() const { return COND_FALSE; } const char *func_name() const { return ">"; } - Item *negated_item(); + Item *negated_item(THD *thd); }; class Item_func_le :public Item_bool_rowready_func2 { public: - Item_func_le(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {}; + Item_func_le(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {}; longlong val_int(); enum Functype functype() const { return LE_FUNC; } enum Functype rev_functype() const { return GE_FUNC; } cond_result eq_cmp_result() const { return COND_TRUE; } const char *func_name() const { return "<="; } - Item *negated_item(); + Item *negated_item(THD *thd); }; class Item_func_lt :public Item_bool_rowready_func2 { public: - Item_func_lt(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {} + Item_func_lt(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {} longlong val_int(); enum Functype functype() const { return LT_FUNC; } enum Functype rev_functype() const { return GT_FUNC; } cond_result eq_cmp_result() const { return COND_FALSE; } const char *func_name() const { return "<"; } - Item *negated_item(); + Item *negated_item(THD *thd); }; @@ -642,13 +650,14 @@ protected: DBUG_RETURN(get_ne_mm_tree(param, field, value, value, cmp_type)); } public: - Item_func_ne(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {} + Item_func_ne(THD *thd, Item *a, Item *b): + Item_bool_rowready_func2(thd, a, b) {} longlong val_int(); enum Functype functype() const { return NE_FUNC; } enum Functype rev_functype() const { return NE_FUNC; } cond_result eq_cmp_result() const { return COND_FALSE; } const char *func_name() const { return "<>"; } - Item *negated_item(); + Item *negated_item(THD *thd); void add_key_fields(JOIN *join, KEY_FIELD **key_fields, uint *and_level, table_map usable_tables, SARGABLE_PARAM **sargables); }; @@ -669,10 +678,10 @@ public: bool negated; /* <=> the item represents NOT <func> */ bool pred_level; /* <=> [NOT] <func> is used on a predicate level */ public: - Item_func_opt_neg(Item *a, Item *b, Item *c) - :Item_bool_func(a, b, c), negated(0), pred_level(0) {} - Item_func_opt_neg(List<Item> &list) - :Item_bool_func(list), negated(0), pred_level(0) {} + Item_func_opt_neg(THD *thd, Item *a, Item *b, Item *c): + Item_bool_func(thd, a, b, c), negated(0), pred_level(0) {} + Item_func_opt_neg(THD *thd, List<Item> &list): + Item_bool_func(thd, list), negated(0), pred_level(0) {} public: inline void negate() { negated= !negated; } inline void top_level_item() { pred_level= 1; } @@ -697,8 +706,8 @@ public: String value0,value1,value2; /* TRUE <=> arguments will be compared as dates. */ Item *compare_as_dates; - Item_func_between(Item *a, Item *b, Item *c) - :Item_func_opt_neg(a, b, c), compare_as_dates(FALSE) { } + Item_func_between(THD *thd, Item *a, Item *b, Item *c): + Item_func_opt_neg(thd, a, b, c), compare_as_dates(FALSE) { } longlong val_int(); enum Functype functype() const { return BETWEEN; } const char *func_name() const { return "between"; } @@ -720,7 +729,8 @@ class Item_func_strcmp :public Item_int_func String value1, value2; DTCollation cmp_collation; public: - Item_func_strcmp(Item *a,Item *b) :Item_int_func(a,b) {} + Item_func_strcmp(THD *thd, Item *a, Item *b): + Item_int_func(thd, a, b) {} longlong val_int(); uint decimal_precision() const { return 1; } const char *func_name() const { return "strcmp"; } @@ -745,8 +755,8 @@ class Item_func_interval :public Item_int_func bool use_decimal_comparison; interval_range *intervals; public: - Item_func_interval(Item_row *a) - :Item_int_func(a),row(a),intervals(0) + Item_func_interval(THD *thd, Item_row *a): + Item_int_func(thd, a), row(a), intervals(0) { allowed_arg_cols= 0; // Fetch this value from first argument } @@ -765,8 +775,10 @@ public: class Item_func_coalesce :public Item_func_hybrid_field_type { public: - Item_func_coalesce(Item *a, Item *b) :Item_func_hybrid_field_type(a, b) {} - Item_func_coalesce(List<Item> &list) :Item_func_hybrid_field_type(list) {} + Item_func_coalesce(THD *thd, Item *a, Item *b): + Item_func_hybrid_field_type(thd, a, b) {} + Item_func_coalesce(THD *thd, List<Item> &list): + Item_func_hybrid_field_type(thd, list) {} double real_op(); longlong int_op(); String *str_op(String *); @@ -786,10 +798,10 @@ public: class Item_func_case_abbreviation2 :public Item_func_hybrid_field_type { public: - Item_func_case_abbreviation2(Item *a, Item *b) - :Item_func_hybrid_field_type(a, b) { } - Item_func_case_abbreviation2(Item *a, Item *b, Item *c) - :Item_func_hybrid_field_type(a, b, c) { } + Item_func_case_abbreviation2(THD *thd, Item *a, Item *b): + Item_func_hybrid_field_type(thd, a, b) { } + Item_func_case_abbreviation2(THD *thd, Item *a, Item *b, Item *c): + Item_func_hybrid_field_type(thd, a, b, c) { } void fix_length_and_dec2(Item **args); uint decimal_precision2(Item **args) const; }; @@ -798,7 +810,8 @@ public: class Item_func_ifnull :public Item_func_case_abbreviation2 { public: - Item_func_ifnull(Item *a, Item *b) :Item_func_case_abbreviation2(a,b) {} + Item_func_ifnull(THD *thd, Item *a, Item *b): + Item_func_case_abbreviation2(thd, a, b) {} double real_op(); longlong int_op(); String *str_op(String *str); @@ -822,8 +835,8 @@ public: class Item_func_if :public Item_func_case_abbreviation2 { public: - Item_func_if(Item *a,Item *b,Item *c) - :Item_func_case_abbreviation2(a, b, c) + Item_func_if(THD *thd, Item *a, Item *b, Item *c): + Item_func_case_abbreviation2(thd, a, b, c) {} bool date_op(MYSQL_TIME *ltime, uint fuzzydate); longlong int_op(); @@ -857,8 +870,8 @@ class Item_func_nullif :public Item_func_hybrid_field_type */ Item *m_args0_copy; public: - Item_func_nullif(Item *a,Item *b) - :Item_func_hybrid_field_type(a, b), + Item_func_nullif(THD *thd, Item *a, Item *b): + Item_func_hybrid_field_type(thd, a, b), m_args0_copy(a) {} bool date_op(MYSQL_TIME *ltime, uint fuzzydate); @@ -917,7 +930,7 @@ public: vector in form of Item_xxx constants without creating Item_xxx object for every array element you get (i.e. this implements "FlyWeight" pattern) */ - virtual Item* create_item() { return NULL; } + virtual Item* create_item(THD *thd) { return NULL; } /* Store the value at position #pos into provided item object @@ -944,8 +957,8 @@ class in_string :public in_vector class Item_string_for_in_vector: public Item_string { public: - Item_string_for_in_vector(CHARSET_INFO *cs): - Item_string(cs) + Item_string_for_in_vector(THD *thd, CHARSET_INFO *cs): + Item_string(thd, cs) { } void set_value(const String *str) { @@ -958,9 +971,9 @@ public: ~in_string(); void set(uint pos,Item *item); uchar *get_value(Item *item); - Item* create_item() - { - return new Item_string_for_in_vector(collation); + Item* create_item(THD *thd) + { + return new Item_string_for_in_vector(thd, collation); } void value_to_item(uint pos, Item *item) { @@ -989,13 +1002,13 @@ public: void set(uint pos,Item *item); uchar *get_value(Item *item); - Item* create_item() + Item* create_item(THD *thd) { /* We're created a signed INT, this may not be correct in general case (see BUG#19342). */ - return new Item_int((longlong)0); + return new Item_int(thd, (longlong)0); } void value_to_item(uint pos, Item *item) { @@ -1029,9 +1042,9 @@ public: lval_cache(0) {}; void set(uint pos,Item *item); uchar *get_value(Item *item); - Item* create_item() + Item* create_item(THD *thd) { - return new Item_datetime(); + return new Item_datetime(thd); } void value_to_item(uint pos, Item *item) { @@ -1050,9 +1063,9 @@ public: in_double(uint elements); void set(uint pos,Item *item); uchar *get_value(Item *item); - Item *create_item() + Item *create_item(THD *thd) { - return new Item_float(0.0, 0); + return new Item_float(thd, 0.0, 0); } void value_to_item(uint pos, Item *item) { @@ -1069,9 +1082,9 @@ public: in_decimal(uint elements); void set(uint pos, Item *item); uchar *get_value(Item *item); - Item *create_item() + Item *create_item(THD *thd) { - return new Item_decimal(0, FALSE); + return new Item_decimal(thd, 0, FALSE); } void value_to_item(uint pos, Item *item) { @@ -1297,8 +1310,9 @@ class Item_func_case :public Item_func_hybrid_field_type cmp_item *cmp_items[6]; /* For all result types */ cmp_item *case_item; public: - Item_func_case(List<Item> &list, Item *first_expr_arg, Item *else_expr_arg) - :Item_func_hybrid_field_type(), first_expr_num(-1), else_expr_num(-1), + Item_func_case(THD *thd, List<Item> &list, Item *first_expr_arg, + Item *else_expr_arg): + Item_func_hybrid_field_type(thd), first_expr_num(-1), else_expr_num(-1), left_result_type(INT_RESULT), case_item(0) { ncases= list.elements; @@ -1368,9 +1382,9 @@ public: cmp_item *cmp_items[6]; /* One cmp_item for each result type */ DTCollation cmp_collation; - Item_func_in(List<Item> &list) - :Item_func_opt_neg(list), array(0), have_null(0), - arg_types_compatible(FALSE) + Item_func_in(THD *thd, List<Item> &list): + Item_func_opt_neg(thd, list), array(0), have_null(0), + arg_types_compatible(FALSE) { bzero(&cmp_items, sizeof(cmp_items)); allowed_arg_cols= 0; // Fetch this value from first argument @@ -1448,7 +1462,7 @@ protected: KEY_PART *key_part, Item_func::Functype type, Item *value); public: - Item_func_null_predicate(Item *a) :Item_bool_func(a) { } + Item_func_null_predicate(THD *thd, Item *a): Item_bool_func(thd, a) { } void add_key_fields(JOIN *join, KEY_FIELD **key_fields, uint *and_level, table_map usable_tables, SARGABLE_PARAM **sargables); SEL_TREE *get_mm_tree(RANGE_OPT_PARAM *param, Item **cond_ptr); @@ -1462,7 +1476,7 @@ public: class Item_func_isnull :public Item_func_null_predicate { public: - Item_func_isnull(Item *a) :Item_func_null_predicate(a) {} + Item_func_isnull(THD *thd, Item *a): Item_func_null_predicate(thd, a) {} longlong val_int(); enum Functype functype() const { return ISNULL_FUNC; } void fix_length_and_dec() @@ -1504,8 +1518,8 @@ class Item_is_not_null_test :public Item_func_isnull { Item_in_subselect* owner; public: - Item_is_not_null_test(Item_in_subselect* ow, Item *a) - :Item_func_isnull(a), owner(ow) + Item_is_not_null_test(THD *thd, Item_in_subselect* ow, Item *a): + Item_func_isnull(thd, a), owner(ow) {} enum Functype functype() const { return ISNOTNULLTEST_FUNC; } longlong val_int(); @@ -1524,7 +1538,8 @@ class Item_func_isnotnull :public Item_func_null_predicate { bool abort_on_null; public: - Item_func_isnotnull(Item *a) :Item_func_null_predicate(a), abort_on_null(0) + Item_func_isnotnull(THD *thd, Item *a): + Item_func_null_predicate(thd, a), abort_on_null(0) { } longlong val_int(); enum Functype functype() const { return ISNOTNULL_FUNC; } @@ -1569,10 +1584,10 @@ protected: public: int escape; - Item_func_like(Item *a,Item *b, Item *escape_arg, bool escape_used) - :Item_bool_func2(a,b), canDoTurboBM(FALSE), pattern(0), pattern_len(0), - bmGs(0), bmBc(0), escape_item(escape_arg), - escape_used_in_parsing(escape_used), use_sampling(0) {} + Item_func_like(THD *thd, Item *a, Item *b, Item *escape_arg, bool escape_used): + Item_bool_func2(thd, a, b), canDoTurboBM(FALSE), pattern(0), pattern_len(0), + bmGs(0), bmBc(0), escape_item(escape_arg), + escape_used_in_parsing(escape_used), use_sampling(0) {} longlong val_int(); enum Functype functype() const { return LIKE_FUNC; } void print(String *str, enum_query_type query_type) @@ -1728,7 +1743,7 @@ class Item_func_regex :public Item_bool_func Regexp_processor_pcre re; DTCollation cmp_collation; public: - Item_func_regex(Item *a,Item *b) :Item_bool_func(a,b) + Item_func_regex(THD *thd, Item *a, Item *b): Item_bool_func(thd, a, b) {} void cleanup() { @@ -1755,7 +1770,7 @@ class Item_func_regexp_instr :public Item_int_func Regexp_processor_pcre re; DTCollation cmp_collation; public: - Item_func_regexp_instr(Item *a, Item *b) :Item_int_func(a, b) + Item_func_regexp_instr(THD *thd, Item *a, Item *b): Item_int_func(thd, a, b) {} void cleanup() { @@ -1781,17 +1796,17 @@ protected: public: /* Item_cond() is only used to create top level items */ - Item_cond(): Item_bool_func(), abort_on_null(1) + Item_cond(THD *thd): Item_bool_func(thd), abort_on_null(1) { const_item_cache=0; } - Item_cond(Item *i1,Item *i2) - :Item_bool_func(), abort_on_null(0) + Item_cond(THD *thd, Item *i1, Item *i2): + Item_bool_func(thd), abort_on_null(0) { list.push_back(i1); list.push_back(i2); } Item_cond(THD *thd, Item_cond *item); - Item_cond(List<Item> &nlist) - :Item_bool_func(), list(nlist), abort_on_null(0) {} + Item_cond(THD *thd, List<Item> &nlist): + Item_bool_func(thd), list(nlist), abort_on_null(0) {} bool add(Item *item) { DBUG_ASSERT(item); @@ -1841,12 +1856,12 @@ public: bool top_level() { return abort_on_null; } void copy_andor_arguments(THD *thd, Item_cond *item); bool walk(Item_processor processor, bool walk_subquery, uchar *arg); - Item *transform(Item_transformer transformer, uchar *arg); + Item *transform(THD *thd, Item_transformer transformer, uchar *arg); void traverse_cond(Cond_traverser, void *arg, traverse_order order); void neg_arguments(THD *thd); enum_field_types field_type() const { return MYSQL_TYPE_LONGLONG; } bool subst_argument_checker(uchar **arg) { return TRUE; } - Item *compile(Item_analyzer analyzer, uchar **arg_p, + Item *compile(THD *thd, Item_analyzer analyzer, uchar **arg_p, Item_transformer transformer, uchar *arg_t); bool eval_not_null_tables(uchar *opt_arg); }; @@ -1992,8 +2007,8 @@ public: COND_EQUAL *upper_levels; /* multiple equalities of upper and levels */ - Item_equal(THD *thd_arg, Item *f1, Item *f2, bool with_const_item); - Item_equal(THD *thd_arg, Item_equal *item_equal); + Item_equal(THD *thd, Item *f1, Item *f2, bool with_const_item); + Item_equal(THD *thd, Item_equal *item_equal); /* Currently the const item is always the first in the list of equal items */ inline Item* get_const() { return with_const ? equal_items.head() : NULL; } void add_const(THD *thd, Item *c, Item *f = NULL); @@ -2023,7 +2038,7 @@ public: SARGABLE_PARAM **sargables); SEL_TREE *get_mm_tree(RANGE_OPT_PARAM *param, Item **cond_ptr); bool walk(Item_processor processor, bool walk_subquery, uchar *arg); - Item *transform(Item_transformer transformer, uchar *arg); + Item *transform(THD *thd, Item_transformer transformer, uchar *arg); virtual void print(String *str, enum_query_type query_type); CHARSET_INFO *compare_collation() const; @@ -2033,8 +2048,9 @@ public: bool count_sargable_conds(uchar *arg); friend class Item_equal_iterator<List_iterator_fast,Item>; friend class Item_equal_iterator<List_iterator,Item>; - friend Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels, - Item_equal *item_equal); + friend Item *eliminate_item_equal(THD *thd, COND *cond, + COND_EQUAL *upper_levels, + Item_equal *item_equal); friend bool setup_sj_materialization_part1(struct st_join_table *tab); friend bool setup_sj_materialization_part2(struct st_join_table *tab); }; @@ -2153,10 +2169,10 @@ public: COND_EQUAL m_cond_equal; /* contains list of Item_equal objects for the current and level and reference to multiple equalities of upper and levels */ - Item_cond_and() :Item_cond() {} - Item_cond_and(Item *i1,Item *i2) :Item_cond(i1,i2) {} - Item_cond_and(THD *thd, Item_cond_and *item) :Item_cond(thd, item) {} - Item_cond_and(List<Item> &list_arg): Item_cond(list_arg) {} + Item_cond_and(THD *thd): Item_cond(thd) {} + Item_cond_and(THD *thd, Item *i1,Item *i2): Item_cond(thd, i1, i2) {} + Item_cond_and(THD *thd, Item_cond_and *item): Item_cond(thd, item) {} + Item_cond_and(THD *thd, List<Item> &list_arg): Item_cond(thd, list_arg) {} enum Functype functype() const { return COND_AND_FUNC; } longlong val_int(); const char *func_name() const { return "and"; } @@ -2193,10 +2209,10 @@ inline bool is_cond_and(Item *item) class Item_cond_or :public Item_cond { public: - Item_cond_or() :Item_cond() {} - Item_cond_or(Item *i1,Item *i2) :Item_cond(i1,i2) {} - Item_cond_or(THD *thd, Item_cond_or *item) :Item_cond(thd, item) {} - Item_cond_or(List<Item> &list_arg): Item_cond(list_arg) {} + Item_cond_or(THD *thd): Item_cond(thd) {} + Item_cond_or(THD *thd, Item *i1,Item *i2): Item_cond(thd, i1, i2) {} + Item_cond_or(THD *thd, Item_cond_or *item): Item_cond(thd, item) {} + Item_cond_or(THD *thd, List<Item> &list_arg): Item_cond(thd, list_arg) {} enum Functype functype() const { return COND_OR_FUNC; } longlong val_int(); const char *func_name() const { return "or"; } @@ -2214,7 +2230,7 @@ public: class Item_func_dyncol_check :public Item_bool_func { public: - Item_func_dyncol_check(Item *str) :Item_bool_func(str) {} + Item_func_dyncol_check(THD *thd, Item *str): Item_bool_func(thd, str) {} longlong val_int(); const char *func_name() const { return "column_check"; } }; @@ -2222,7 +2238,8 @@ public: class Item_func_dyncol_exists :public Item_bool_func { public: - Item_func_dyncol_exists(Item *str, Item *num) :Item_bool_func(str, num) {} + Item_func_dyncol_exists(THD *thd, Item *str, Item *num): + Item_bool_func(thd, str, num) {} longlong val_int(); const char *func_name() const { return "column_exists"; } }; @@ -2238,11 +2255,11 @@ inline bool is_cond_or(Item *item) /* Some useful inline functions */ -inline Item *and_conds(Item *a, Item *b) +inline Item *and_conds(THD *thd, Item *a, Item *b) { if (!b) return a; if (!a) return b; - return new Item_cond_and(a, b); + return new Item_cond_and(thd, a, b); } @@ -2264,12 +2281,12 @@ public: /** Create operation with given arguments. */ - virtual Item_bool_rowready_func2* create(MEM_ROOT *, Item *a, Item *b) + virtual Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const = 0; /** Create operation with given arguments in swap order. */ - virtual Item_bool_rowready_func2* create_swap(MEM_ROOT *, Item *a, Item *b) + virtual Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const = 0; virtual const char* symbol(bool invert) const = 0; virtual bool eqne_op() const = 0; @@ -2281,14 +2298,8 @@ class Eq_creator :public Comp_creator public: Eq_creator() {} /* Remove gcc warning */ virtual ~Eq_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_eq(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_eq(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? "<>" : "="; } bool eqne_op() const { return 1; } bool l_op() const { return 0; } @@ -2299,14 +2310,8 @@ class Ne_creator :public Comp_creator public: Ne_creator() {} /* Remove gcc warning */ virtual ~Ne_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_ne(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_ne(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? "=" : "<>"; } bool eqne_op() const { return 1; } bool l_op() const { return 0; } @@ -2317,14 +2322,8 @@ class Gt_creator :public Comp_creator public: Gt_creator() {} /* Remove gcc warning */ virtual ~Gt_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_gt(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_lt(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? "<=" : ">"; } bool eqne_op() const { return 0; } bool l_op() const { return 0; } @@ -2335,14 +2334,8 @@ class Lt_creator :public Comp_creator public: Lt_creator() {} /* Remove gcc warning */ virtual ~Lt_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_lt(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_gt(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? ">=" : "<"; } bool eqne_op() const { return 0; } bool l_op() const { return 1; } @@ -2353,14 +2346,8 @@ class Ge_creator :public Comp_creator public: Ge_creator() {} /* Remove gcc warning */ virtual ~Ge_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_ge(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_le(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? "<" : ">="; } bool eqne_op() const { return 0; } bool l_op() const { return 0; } @@ -2371,14 +2358,8 @@ class Le_creator :public Comp_creator public: Le_creator() {} /* Remove gcc warning */ virtual ~Le_creator() {} /* Remove gcc warning */ - Item_bool_rowready_func2* create(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_le(a, b); - } - Item_bool_rowready_func2* create_swap(MEM_ROOT *root, Item *a, Item *b) const - { - return new(root) Item_func_ge(b, a); - } + Item_bool_rowready_func2* create(THD *thd, Item *a, Item *b) const; + Item_bool_rowready_func2* create_swap(THD *thd, Item *a, Item *b) const; const char* symbol(bool invert) const { return invert? ">" : "<="; } bool eqne_op() const { return 0; } bool l_op() const { return 1; } |