item_create.cc File Reference

Functions to create an item. Used by sql_yac.yy. More...

#include "sql_priv.h"
#include "sql_class.h"
#include "set_var.h"
#include "sp_head.h"
#include "sp.h"
#include "item_inetfunc.h"
#include "sql_time.h"

Include dependency graph for item_create.cc:

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Classes
class	Create_native_func
class	Create_func_arg0
class	Create_func_arg1
class	Create_func_arg2
class	Create_func_arg3
class	Create_sp_func
class	Create_func_no_geom
class	Create_func_abs
class	Create_func_acos
class	Create_func_addtime
class	Create_func_aes_encrypt
class	Create_func_aes_decrypt
class	Create_func_asin
class	Create_func_atan
class	Create_func_benchmark
class	Create_func_bin
class	Create_func_bit_count
class	Create_func_bit_length
class	Create_func_ceiling
class	Create_func_char_length
class	Create_func_coercibility
class	Create_func_compress
class	Create_func_concat
class	Create_func_concat_ws
class	Create_func_connection_id
class	Create_func_conv
class	Create_func_convert_tz
class	Create_func_cos
class	Create_func_cot
class	Create_func_crc32
class	Create_func_date_format
class	Create_func_datediff
class	Create_func_dayname
class	Create_func_dayofmonth
class	Create_func_dayofweek
class	Create_func_dayofyear
class	Create_func_decode
class	Create_func_degrees
class	Create_func_des_decrypt
class	Create_func_des_encrypt
class	Create_func_elt
class	Create_func_encode
class	Create_func_encrypt
class	Create_func_exp
class	Create_func_export_set
class	Create_func_field
class	Create_func_find_in_set
class	Create_func_floor
class	Create_func_found_rows
class	Create_func_from_base64
class	Create_func_from_days
class	Create_func_from_unixtime
class	Create_func_get_lock
class	Create_func_greatest
class	Create_func_gtid_subtract
class	Create_func_gtid_subset
class	Create_func_hex
class	Create_func_ifnull
class	Create_func_inet_ntoa
class	Create_func_inet_aton
class	Create_func_inet6_aton
class	Create_func_inet6_ntoa
class	Create_func_is_ipv4
class	Create_func_is_ipv6
class	Create_func_is_ipv4_compat
class	Create_func_is_ipv4_mapped
class	Create_func_instr
class	Create_func_is_free_lock
class	Create_func_is_used_lock
class	Create_func_isnull
class	Create_func_last_day
class	Create_func_last_insert_id
class	Create_func_lcase
class	Create_func_least
class	Create_func_length
class	Create_func_like_range_min
class	Create_func_like_range_max
class	Create_func_ln
class	Create_func_load_file
class	Create_func_locate
class	Create_func_log
class	Create_func_log10
class	Create_func_log2
class	Create_func_lpad
class	Create_func_ltrim
class	Create_func_makedate
class	Create_func_maketime
class	Create_func_make_set
class	Create_func_master_pos_wait
class	Create_func_master_gtid_set_wait
class	Create_func_md5
class	Create_func_monthname
class	Create_func_name_const
class	Create_func_nullif
class	Create_func_oct
class	Create_func_ord
class	Create_func_period_add
class	Create_func_period_diff
class	Create_func_pi
class	Create_func_pow
class	Create_func_quote
class	Create_func_radians
class	Create_func_rand
class	Create_func_release_lock
class	Create_func_reverse
class	Create_func_round
class	Create_func_rpad
class	Create_func_rtrim
class	Create_func_sec_to_time
class	Create_func_sha
class	Create_func_sha2
class	Create_func_sign
class	Create_func_sin
class	Create_func_sleep
class	Create_func_soundex
class	Create_func_space
class	Create_func_sqrt
class	Create_func_str_to_date
class	Create_func_strcmp
class	Create_func_substr_index
class	Create_func_subtime
class	Create_func_tan
class	Create_func_time_format
class	Create_func_time_to_sec
class	Create_func_timediff
class	Create_func_to_base64
class	Create_func_to_days
class	Create_func_to_seconds
class	Create_func_ucase
class	Create_func_uncompress
class	Create_func_uncompressed_length
class	Create_func_unhex
class	Create_func_unix_timestamp
class	Create_func_uuid
class	Create_func_uuid_short
class	Create_func_validate_password_strength
class	Create_func_version
class	Create_func_weekday
class	Create_func_weekofyear
class	Create_func_xml_extractvalue
class	Create_func_xml_update
class	Create_func_year_week
struct	Native_func_registry

Macros
#define	BUILDER(F)   & F::s_singleton
#define	GEOM_BUILDER(F)   & Create_func_no_geom::s_singleton

Functions
uchar *	get_native_fct_hash_key (const uchar *buff, size_t *length, my_bool)
int	item_create_init ()
void	item_create_cleanup ()
Create_func *	find_native_function_builder (THD *thd, LEX_STRING name)
Create_qfunc *	find_qualified_function_builder (THD *thd)
Item *	create_func_cast (THD *thd, Item *a, Cast_target cast_type, const char *c_len, const char *c_dec, const CHARSET_INFO *cs)
Item *	create_temporal_literal (THD *thd, const char *str, uint length, const CHARSET_INFO *cs, enum_field_types type, bool send_error)

Detailed Description

Functions to create an item. Used by sql_yac.yy.

Definition in file item_create.cc.

Function Documentation

Item* create_func_cast	(	THD *	thd,
		Item *	a,
		Cast_target	cast_type,
		const char *	len,
		const char *	dec,
		const CHARSET_INFO *	cs
	)

Builder for cast expressions.

Parameters

thd	The current thread
a	The item to cast
cast_type	the type casted into
len	TODO
dec	TODO
cs	The character set

Definition at line 5760 of file item_create.cc.

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Item* create_temporal_literal	(	THD *	thd,
		const char *	str,
		uint	length,
		const CHARSET_INFO *	cs,
		enum_field_types	type,
		bool	send_error
	)

Builder for datetime literals: TIME'00:00:00', DATE'2001-01-01', TIMESTAMP'2001-01-01 00:00:00'.

Parameters

thd	The current thread
str	Character literal
length	Length of str
type	Type of literal (TIME, DATE or DATETIME)
send_error	Whether to generate an error on failure

Definition at line 5888 of file item_create.cc.

Create_func* find_native_function_builder	(	THD *	thd,
		LEX_STRING	name
	)

Find the native function builder associated with a given function name.

Parameters

thd	The current thread
name	The native function name

Returns

The native function builder associated with the name, or NULL

Definition at line 5734 of file item_create.cc.

Create_qfunc* find_qualified_function_builder

(

THD *

thd

)

Find the function builder for qualified functions.

Parameters

thd	The current thread

Returns

A function builder for qualified functions

Definition at line 5753 of file item_create.cc.