Item_sum_bit Class Reference

Inheritance diagram for Item_sum_bit:

Collaboration diagram for Item_sum_bit:

Public Member Functions
	Item_sum_bit (Item *item_par, ulonglong reset_arg)
	Item_sum_bit (THD *thd, Item_sum_bit *item)
enum Sumfunctype	sum_func () const
void	clear ()
longlong	val_int ()
void	reset_field ()
void	update_field ()
void	fix_length_and_dec ()
void	cleanup ()
Public Member Functions inherited from Item_sum_int
	Item_sum_int (Item *item_par)
	Item_sum_int (List< Item > &list)
	Item_sum_int (THD *thd, Item_sum_int *item)
double	val_real ()
String *	val_str (String *str)
my_decimal *	val_decimal (my_decimal *)
bool	get_date (MYSQL_TIME *ltime, uint fuzzydate)
bool	get_time (MYSQL_TIME *ltime)
enum Item_result	result_type () const
Public Member Functions inherited from Item_sum_num
	Item_sum_num (Item *item_par)
	Item_sum_num (Item *a, Item *b)
	Item_sum_num (List< Item > &list)
	Item_sum_num (THD *thd, Item_sum_num *item)
bool	fix_fields (THD *, Item **)
Public Member Functions inherited from Item_sum
bool	has_force_copy_fields () const
bool	has_with_distinct () const
void	mark_as_sum_func ()
	Item_sum (Item *a)
	Item_sum (Item *a, Item *b)
	Item_sum (List< Item > &list)
	Item_sum (THD *thd, Item_sum *item)
enum Type	type () const
bool	reset_and_add ()
virtual bool	keep_field_type (void) const
virtual Item *	result_item (Field *field)
table_map	used_tables () const
void	update_used_tables ()
bool	is_null ()
void	make_const ()
virtual bool	const_item () const
virtual bool	const_during_execution () const
virtual void	print (String *str, enum_query_type query_type)
void	fix_num_length_and_dec ()
virtual void	no_rows_in_result ()
virtual void	make_unique ()
Item *	get_tmp_table_item (THD *thd)
virtual Field *	create_tmp_field (bool group, TABLE *table)
bool	walk (Item_processor processor, bool walk_subquery, uchar *argument)
virtual bool	clean_up_after_removal (uchar *arg)
bool	init_sum_func_check (THD *thd)
bool	check_sum_func (THD *thd, Item **ref)
bool	register_sum_func (THD *thd, Item **ref)
st_select_lex *	depended_from ()
Item *	get_arg (uint i)
Item *	set_arg (uint i, THD *thd, Item *new_val)
uint	get_arg_count ()
void	init_aggregator ()
bool	aggregator_setup (THD *thd)
void	aggregator_clear ()
bool	aggregator_add ()
void	set_distinct (bool distinct)
int	set_aggregator (Aggregator::Aggregator_type aggregator)
virtual bool	add ()=0
virtual bool	setup (THD *thd)
Public Member Functions inherited from Item_result_field
	Item_result_field (THD *thd, Item_result_field *item)
Field *	get_tmp_table_field ()
Field *	tmp_table_field (TABLE *t_arg)
void	set_result_field (Field *field)
bool	is_result_field ()
void	save_in_result_field (bool no_conversions)
virtual const char *	func_name () const =0
Public Member Functions inherited from Item
	Item (THD *thd, Item *item)
void	rename (char *new_name)
void	init_make_field (Send_field *tmp_field, enum enum_field_types type)
virtual void	make_field (Send_field *field)
virtual Field *	make_string_field (TABLE *table)
virtual void	fix_after_pullout (st_select_lex *parent_select, st_select_lex *removed_select)
void	quick_fix_field ()
type_conversion_status	save_in_field_no_warnings (Field *field, bool no_conversions)
virtual type_conversion_status	save_in_field (Field *field, bool no_conversions)
virtual void	save_org_in_field (Field *field)
virtual type_conversion_status	save_safe_in_field (Field *field)
virtual bool	send (Protocol *protocol, String *str)
virtual bool	eq (const Item *, bool binary_cmp) const
virtual enum Item_result	numeric_context_result_type () const
enum Item_result	temporal_with_date_as_number_result_type () const
virtual Item_result	cast_to_int_type () const
virtual enum_field_types	string_field_type () const
virtual enum_field_types	field_type () const
virtual enum_monotonicity_info	get_monotonicity_info () const
virtual longlong	val_int_endpoint (bool left_endp, bool *incl_endp)
virtual longlong	val_date_temporal ()
virtual longlong	val_time_temporal ()
longlong	val_temporal_by_field_type ()
longlong	val_temporal_with_round (enum_field_types type, uint8 dec)
ulonglong	val_uint ()
virtual String *	val_str_ascii (String *str)
virtual bool	val_bool ()
virtual String *	val_nodeset (String *)
type_conversion_status	save_time_in_field (Field *field)
type_conversion_status	save_date_in_field (Field *field)
type_conversion_status	save_str_value_in_field (Field *field, String *result)
virtual const char *	full_name () const
virtual double	val_result ()
virtual longlong	val_int_result ()
virtual longlong	val_time_temporal_result ()
virtual longlong	val_date_temporal_result ()
virtual String *	str_result (String *tmp)
virtual my_decimal *	val_decimal_result (my_decimal *val)
virtual bool	val_bool_result ()
virtual bool	is_null_result ()
virtual table_map	resolved_used_tables () const
virtual table_map	not_null_tables () const
virtual bool	basic_const_item () const
virtual Item *	clone_item ()
virtual cond_result	eq_cmp_result () const
uint	float_length (uint decimals_par) const
virtual uint	decimal_precision () const
int	decimal_int_part () const
virtual uint	time_precision ()
virtual uint	datetime_precision ()
void	print_item_w_name (String *, enum_query_type query_type)
void	print_for_order (String *str, enum_query_type query_type, bool used_alias)
virtual void	split_sum_func (THD *thd, Ref_ptr_array ref_pointer_array, List< Item > &fields)
void	split_sum_func2 (THD *thd, Ref_ptr_array ref_pointer_array, List< Item > &fields, Item **ref, bool skip_registered)
virtual bool	get_timeval (struct timeval *tm, int *warnings)
virtual bool	get_date_result (MYSQL_TIME *ltime, uint fuzzydate)
virtual void	update_null_value ()
virtual void	top_level_item ()
virtual bool	is_bool_func ()
virtual Item *	copy_or_same (THD *thd)
virtual Item *	copy_andor_structure (THD *thd, bool real_items=false)
virtual Item *	real_item ()
virtual const CHARSET_INFO *	compare_collation ()
virtual const CHARSET_INFO *	charset_for_protocol (void) const
virtual Item *	transform (Item_transformer transformer, uchar *arg)
virtual Item *	compile (Item_analyzer analyzer, uchar **arg_p, Item_transformer transformer, uchar *arg_t)
virtual void	traverse_cond (Cond_traverser traverser, void *arg, traverse_order order)
virtual bool	intro_version (uchar *int_arg)
virtual bool	remove_dependence_processor (uchar *arg)
virtual bool	remove_fixed (uchar *arg)
virtual bool	cleanup_processor (uchar *arg)
virtual bool	collect_item_field_processor (uchar *arg)
virtual bool	add_field_to_set_processor (uchar *arg)
virtual bool	remove_column_from_bitmap (uchar *arg)
virtual bool	find_item_in_field_list_processor (uchar *arg)
virtual bool	change_context_processor (uchar *context)
virtual bool	reset_query_id_processor (uchar *query_id_arg)
virtual bool	find_item_processor (uchar *arg)
virtual bool	register_field_in_read_map (uchar *arg)
virtual bool	inform_item_in_cond_of_tab (uchar *join_tab_index)
virtual bool	cache_const_expr_analyzer (uchar **arg)
virtual Item *	cache_const_expr_transformer (uchar *arg)
virtual bool	item_field_by_name_analyzer (uchar **arg)
virtual Item *	item_field_by_name_transformer (uchar *arg)
virtual bool	equality_substitution_analyzer (uchar **arg)
virtual Item *	equality_substitution_transformer (uchar *arg)
virtual bool	check_partition_func_processor (uchar *bool_arg)
virtual bool	subst_argument_checker (uchar **arg)
virtual bool	explain_subquery_checker (uchar **arg)
virtual Item *	explain_subquery_propagator (uchar *arg)
virtual Item *	equal_fields_propagator (uchar *arg)
virtual bool	set_no_const_sub (uchar *arg)
virtual Item *	replace_equal_field (uchar *arg)
virtual bool	check_valid_arguments_processor (uchar *bool_arg)
virtual bool	find_function_processor (uchar *arg)
virtual Item *	this_item ()
virtual const Item *	this_item () const
virtual Item **	this_item_addr (THD *thd, Item **addr_arg)
virtual uint	cols ()
virtual Item *	element_index (uint i)
virtual Item **	addr (uint i)
virtual bool	check_cols (uint c)
virtual bool	null_inside ()
virtual void	bring_value ()
Field *	tmp_table_field_from_field_type (TABLE *table, bool fixed_length)
virtual Item_field *	field_for_view_update ()
virtual Item *	neg_transformer (THD *thd)
virtual Item *	update_value_transformer (uchar *select_arg)
virtual Item *	safe_charset_converter (const CHARSET_INFO *tocs)
void	delete_self ()
virtual bool	is_splocal ()
virtual Settable_routine_parameter *	get_settable_routine_parameter ()
bool	is_temporal_with_date () const
bool	is_temporal_with_date_and_time () const
bool	is_temporal_with_time () const
bool	is_temporal () const
bool	has_compatible_context (Item *item) const
virtual Field::geometry_type	get_geometry_type () const
String *	check_well_formed_result (String *str, bool send_error=0)
bool	eq_by_collation (Item *item, bool binary_cmp, const CHARSET_INFO *cs)
virtual bool	is_expensive ()
virtual bool	can_be_evaluated_now () const
uint32	max_char_length () const
void	fix_length_and_charset (uint32 max_char_length_arg, const CHARSET_INFO *cs)
void	fix_char_length (uint32 max_char_length_arg)
void	fix_char_length_ulonglong (ulonglong max_char_length_arg)
void	fix_length_and_charset_datetime (uint32 max_char_length_arg)
void	fix_length_and_dec_and_charset_datetime (uint32 max_char_length_arg, uint8 dec_arg)
virtual bool	is_outer_field () const
bool	is_blob_field () const
virtual bool	has_subquery () const
virtual bool	has_stored_program () const
virtual bool	created_by_in2exists () const
	Whether this Item was created by the IN->EXISTS subquery transformation.

Protected Attributes
ulonglong	reset_bits
ulonglong	bits

Additional Inherited Members
Public Types inherited from Item_sum
enum	Sumfunctype {   COUNT_FUNC, COUNT_DISTINCT_FUNC, SUM_FUNC, SUM_DISTINCT_FUNC,   AVG_FUNC, AVG_DISTINCT_FUNC, MIN_FUNC, MAX_FUNC,   STD_FUNC, VARIANCE_FUNC, SUM_BIT_FUNC, UDF_SUM_FUNC,   GROUP_CONCAT_FUNC }
Static Public Member Functions inherited from Item
static void *	operator new (size_t size) throw ()
static void *	operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void *ptr, MEM_ROOT *mem_root)
static const CHARSET_INFO *	default_charset ()
Public Attributes inherited from Item_sum
Item **	ref_by
Item_sum *	next
Item_sum *	in_sum_func
st_select_lex *	aggr_sel
int8	nest_level
int8	aggr_level
int8	max_arg_level
int8	max_sum_func_level
bool	quick_group
List< Item_field >	outer_fields
Protected Member Functions inherited from Item
String *	val_string_from_real (String *str)
String *	val_string_from_int (String *str)
String *	val_string_from_decimal (String *str)
String *	val_string_from_date (String *str)
String *	val_string_from_datetime (String *str)
String *	val_string_from_time (String *str)
my_decimal *	val_decimal_from_real (my_decimal *decimal_value)
my_decimal *	val_decimal_from_int (my_decimal *decimal_value)
my_decimal *	val_decimal_from_string (my_decimal *decimal_value)
my_decimal *	val_decimal_from_date (my_decimal *decimal_value)
my_decimal *	val_decimal_from_time (my_decimal *decimal_value)
longlong	val_int_from_decimal ()
longlong	val_int_from_date ()
longlong	val_int_from_time ()
longlong	val_int_from_datetime ()
double	val_real_from_decimal ()
bool	get_date_from_string (MYSQL_TIME *ltime, uint flags)
bool	get_date_from_real (MYSQL_TIME *ltime, uint flags)
bool	get_date_from_decimal (MYSQL_TIME *ltime, uint flags)
bool	get_date_from_int (MYSQL_TIME *ltime, uint flags)
bool	get_date_from_time (MYSQL_TIME *ltime)
bool	get_date_from_numeric (MYSQL_TIME *ltime, uint fuzzydate)
bool	get_date_from_non_temporal (MYSQL_TIME *ltime, uint fuzzydate)
bool	get_time_from_string (MYSQL_TIME *ltime)
bool	get_time_from_real (MYSQL_TIME *ltime)
bool	get_time_from_decimal (MYSQL_TIME *ltime)
bool	get_time_from_int (MYSQL_TIME *ltime)
bool	get_time_from_date (MYSQL_TIME *ltime)
bool	get_time_from_datetime (MYSQL_TIME *ltime)
bool	get_time_from_numeric (MYSQL_TIME *ltime)
bool	get_time_from_non_temporal (MYSQL_TIME *ltime)
Static Protected Member Functions inherited from Item_sum
static ulonglong	ram_limitation (THD *thd)

Detailed Description

Definition at line 1094 of file item_sum.h.

---

The documentation for this class was generated from the following files:

• sql/item_sum.h
• sql/item_sum.cc