Functions to create an item. More...

#include "sql/item_create.h"
#include <errno.h>
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <algorithm>
#include <cctype>
#include <iterator>
#include <limits>
#include <new>
#include <string>
#include <unordered_map>
#include <utility>
#include "decimal.h"
#include "field_types.h"
#include "m_ctype.h"
#include "m_string.h"
#include "my_dbug.h"
#include "my_inttypes.h"
#include "my_sys.h"
#include "my_time.h"
#include "mysql/udf_registration_types.h"
#include "mysql_time.h"
#include "mysqld_error.h"
#include "sql/item.h"
#include "sql/item_cmpfunc.h"
#include "sql/item_func.h"
#include "sql/item_geofunc.h"
#include "sql/item_gtid_func.h"
#include "sql/item_inetfunc.h"
#include "sql/item_json_func.h"
#include "sql/item_pfs_func.h"
#include "sql/item_regexp_func.h"
#include "sql/item_strfunc.h"
#include "sql/item_sum.h"
#include "sql/item_timefunc.h"
#include "sql/item_xmlfunc.h"
#include "sql/my_decimal.h"
#include "sql/parse_location.h"
#include "sql/parse_tree_helpers.h"
#include "sql/parser_yystype.h"
#include "sql/sql_class.h"
#include "sql/sql_const.h"
#include "sql/sql_error.h"
#include "sql/sql_exception_handler.h"
#include "sql/sql_lex.h"
#include "sql/sql_time.h"
#include "sql/sql_udf.h"
#include "sql/system_variables.h"
#include "sql_string.h"
#include "tztime.h"

Classes
class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, Min_argc, Max_argc >
	Instantiates a function class with the list of arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 0 >
	Instantiates a function class with no arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator_with_thd< Function_class, Min_argc, Max_argc >

class	anonymous_namespace{item_create.cc}::Instantiator_with_functype< Function_class, Functype, Min_argc, Max_argc >

class	anonymous_namespace{item_create.cc}::Instantiator_with_functype< Function_class, Function_type, 1, 1 >

class	anonymous_namespace{item_create.cc}::Instantiator_with_functype< Function_class, Function_type, 2, 2 >

class	anonymous_namespace{item_create.cc}::List_instantiator< Function_class, Min_argc, Max_argc >

class	anonymous_namespace{item_create.cc}::List_instantiator_with_thd< Function_class, Min_argc, Max_argc >

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 1 >
	Instantiates a function class with one argument. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 2 >
	Instantiates a function class with two arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 3 >
	Instantiates a function class with three arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 4 >
	Instantiates a function class with four arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 5 >
	Instantiates a function class with five arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 0, 1 >
	Instantiates a function class with zero or one arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 1, 2 >
	Instantiates a function class with one or two arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 1, 3 >
	Instantiates a function class with between one and three arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator_with_thd< Function_class, 1, 3 >
	Instantiates a function class taking between one and three arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator_with_thd< Function_class, 1, 2 >
	Instantiates a function class taking a thd and one or two arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 2, 3 >
	Instantiates a function class with two or three arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 2, 4 >
	Instantiates a function class with between two and four arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 2, 6 >
	Instantiates a function class with between two and six arguments. More...

class	anonymous_namespace{item_create.cc}::Instantiator< Function_class, 3, 5 >
	Instantiates a function class with two or three arguments. More...

class	anonymous_namespace{item_create.cc}::Geometry_instantiator< Geometry_class, Functype >

class	anonymous_namespace{item_create.cc}::Bin_instantiator

class	anonymous_namespace{item_create.cc}::Oct_instantiator

class	anonymous_namespace{item_create.cc}::Weekday_instantiator

class	anonymous_namespace{item_create.cc}::Weekofyear_instantiator

class	anonymous_namespace{item_create.cc}::Datediff_instantiator

class	anonymous_namespace{item_create.cc}::Subtime_instantiator

class	anonymous_namespace{item_create.cc}::Time_format_instantiator

class	anonymous_namespace{item_create.cc}::Dayofweek_instantiator

class	anonymous_namespace{item_create.cc}::From_unixtime_instantiator

class	anonymous_namespace{item_create.cc}::Round_instantiator

class	anonymous_namespace{item_create.cc}::Locate_instantiator

class	anonymous_namespace{item_create.cc}::Srid_instantiator

class	anonymous_namespace{item_create.cc}::Latitude_instantiator

class	anonymous_namespace{item_create.cc}::Longitude_instantiator

class	anonymous_namespace{item_create.cc}::X_instantiator

class	anonymous_namespace{item_create.cc}::Y_instantiator

class	anonymous_namespace{item_create.cc}::Yearweek_instantiator

class	anonymous_namespace{item_create.cc}::Make_set_instantiator

class	anonymous_namespace{item_create.cc}::Json_length_instantiator
	Instantiates a call to JSON_LENGTH, which may take either one or two arguments. More...

class	anonymous_namespace{item_create.cc}::Function_factory< Instantiator_fn >
	Factory for creating function objects. More...

class	anonymous_namespace{item_create.cc}::Odd_argcount_function_factory< Instantiator_fn >

class	anonymous_namespace{item_create.cc}::Even_argcount_function_factory< Instantiator_fn >

class	anonymous_namespace{item_create.cc}::Internal_function_factory< Instantiator_fn >
	Factory for internal functions that should be invoked from the system views only. More...

class	Create_sp_func
	Function builder for stored functions. More...

Namespaces
namespace	anonymous_namespace{item_create.cc}

Macros
#define	SQL_FN(F, N) &Function_factory<Instantiator<F, N>>::s_singleton
	Shorthand macro to reference the singleton instance. More...

#define	SQL_FACTORY(INSTANTIATOR) &Function_factory<INSTANTIATOR>::s_singleton
	Shorthand macro to reference the singleton instance when there is a specialized instantiator. More...

#define	SQL_FN_V(F, MIN, MAX) &Function_factory<Instantiator<F, MIN, MAX>>::s_singleton
	Use this macro if you want to instantiate the Item_func object like `Item_func_xxx::Item_func_xxx(pos, args[0], ..., args[MAX])` More...

#define	SQL_FN_V_THD(F, MIN, MAX) &Function_factory<Instantiator_with_thd<F, MIN, MAX>>::s_singleton
	Use this macro if you want to instantiate the Item_func object like `Item_func_xxx::Item_func_xxx(thd, pos, args[0], ..., args[MAX])` More...

#define	SQL_FN_V_LIST(F, MIN, MAX) &Function_factory<List_instantiator<F, MIN, MAX>>::s_singleton
	Use this macro if you want to instantiate the Item_func object like `Item_func_xxx::Item_func_xxx(pos, item_list)` More...

#define	SQL_FN_LIST(F, N) &Function_factory<List_instantiator<F, N>>::s_singleton
	Use this macro if you want to instantiate the Item_func object like `Item_func_xxx::Item_func_xxx(pos, item_list)` More...

#define	SQL_FN_V_LIST_THD(F, MIN, MAX) &Function_factory<List_instantiator_with_thd<F, MIN, MAX>>::s_singleton
	Use this macro if you want to instantiate the Item_func object like `Item_func_xxx::Item_func_xxx(thd, pos, item_list)` More...

#define	SQL_FN_ODD(F, MIN, MAX)
	Just like SQL_FN_V_THD, but enforces a check that the argument count is odd. More...

#define	SQL_FN_EVEN(F, MIN, MAX)
	Just like SQL_FN_V_THD, but enforces a check that the argument count is even. More...

#define	SQL_FN_INTERNAL(F, N) &Internal_function_factory<Instantiator<F, N>>::s_singleton
	Like SQL_FN, but for functions that may only be referenced from system views. More...

#define	SQL_FN_INTERNAL_V(F, MIN, MAX) &Internal_function_factory<Instantiator<F, MIN, MAX>>::s_singleton
	Just like SQL_FN_INTERNAL, but enforces a check that the argument count is even. More...

#define	SQL_FN_LIST_INTERNAL(F, N) &Internal_function_factory<List_instantiator<F, N>>::s_singleton
	Like SQL_FN_LIST, but for functions that may only be referenced from system views. More...

#define	SQL_FN_LIST_INTERNAL_V(F, MIN, MAX) &Internal_function_factory<List_instantiator<F, MIN, MAX>>::s_singleton
	Like SQL_FN_LIST, but enforces a check that the argument count is within the range specified. More...

Typedefs
template<Item_func::Functype Functype>
using	anonymous_namespace{item_create.cc}::Spatial_decomp_instantiator = Instantiator_with_functype< Item_func_spatial_decomp, Functype, 1 >

using	anonymous_namespace{item_create.cc}::Startpoint_instantiator = Spatial_decomp_instantiator< Item_func::SP_STARTPOINT >

using	anonymous_namespace{item_create.cc}::Endpoint_instantiator = Spatial_decomp_instantiator< Item_func::SP_ENDPOINT >

using	anonymous_namespace{item_create.cc}::Exteriorring_instantiator = Spatial_decomp_instantiator< Item_func::SP_EXTERIORRING >

template<Item_func::Functype Functype>
using	anonymous_namespace{item_create.cc}::Spatial_decomp_n_instantiator = Instantiator_with_functype< Item_func_spatial_decomp_n, Functype, 2 >

using	anonymous_namespace{item_create.cc}::Sp_geometryn_instantiator = Spatial_decomp_n_instantiator< Item_func::SP_GEOMETRYN >

using	anonymous_namespace{item_create.cc}::Sp_interiorringn_instantiator = Spatial_decomp_n_instantiator< Item_func::SP_INTERIORRINGN >

using	anonymous_namespace{item_create.cc}::Sp_pointn_instantiator = Spatial_decomp_n_instantiator< Item_func::SP_POINTN >

using	anonymous_namespace{item_create.cc}::txt_ft = Item_func_geometry_from_text::Functype

using	anonymous_namespace{item_create.cc}::I_txt = Item_func_geometry_from_text

template<typename Geometry_class , enum Geometry_class::Functype Functype>
using	anonymous_namespace{item_create.cc}::G_i = Geometry_instantiator< Geometry_class, Functype >

using	anonymous_namespace{item_create.cc}::Geomcollfromtext_instantiator = G_i< I_txt, txt_ft::GEOMCOLLFROMTEXT >

using	anonymous_namespace{item_create.cc}::Geomcollfromtxt_instantiator = G_i< I_txt, txt_ft::GEOMCOLLFROMTXT >

using	anonymous_namespace{item_create.cc}::Geometrycollectionfromtext_instantiator = G_i< I_txt, txt_ft::GEOMETRYCOLLECTIONFROMTEXT >

using	anonymous_namespace{item_create.cc}::Geometryfromtext_instantiator = G_i< I_txt, txt_ft::GEOMETRYFROMTEXT >

using	anonymous_namespace{item_create.cc}::Geomfromtext_instantiator = G_i< I_txt, txt_ft::GEOMFROMTEXT >

using	anonymous_namespace{item_create.cc}::Linefromtext_instantiator = G_i< I_txt, txt_ft::LINEFROMTEXT >

using	anonymous_namespace{item_create.cc}::Linestringfromtext_instantiator = G_i< I_txt, txt_ft::LINESTRINGFROMTEXT >

using	anonymous_namespace{item_create.cc}::Mlinefromtext_instantiator = G_i< I_txt, txt_ft::MLINEFROMTEXT >

using	anonymous_namespace{item_create.cc}::Mpointfromtext_instantiator = G_i< I_txt, txt_ft::MPOINTFROMTEXT >

using	anonymous_namespace{item_create.cc}::Mpolyfromtext_instantiator = G_i< I_txt, txt_ft::MPOLYFROMTEXT >

using	anonymous_namespace{item_create.cc}::Multilinestringfromtext_instantiator = G_i< I_txt, txt_ft::MULTILINESTRINGFROMTEXT >

using	anonymous_namespace{item_create.cc}::Multipointfromtext_instantiator = G_i< I_txt, txt_ft::MULTIPOINTFROMTEXT >

using	anonymous_namespace{item_create.cc}::Multipolygonfromtext_instantiator = G_i< I_txt, txt_ft::MULTIPOLYGONFROMTEXT >

using	anonymous_namespace{item_create.cc}::Pointfromtext_instantiator = G_i< I_txt, txt_ft::POINTFROMTEXT >

using	anonymous_namespace{item_create.cc}::Polyfromtext_instantiator = G_i< I_txt, txt_ft::POLYFROMTEXT >

using	anonymous_namespace{item_create.cc}::Polygonfromtext_instantiator = G_i< I_txt, txt_ft::POLYGONFROMTEXT >

using	anonymous_namespace{item_create.cc}::wkb_ft = Item_func_geometry_from_wkb::Functype

using	anonymous_namespace{item_create.cc}::I_wkb = Item_func_geometry_from_wkb

using	anonymous_namespace{item_create.cc}::Geomcollfromwkb_instantiator = G_i< I_wkb, wkb_ft::GEOMCOLLFROMWKB >

using	anonymous_namespace{item_create.cc}::Geometrycollectionfromwkb_instantiator = G_i< I_wkb, wkb_ft::GEOMETRYCOLLECTIONFROMWKB >

using	anonymous_namespace{item_create.cc}::Geometryfromwkb_instantiator = G_i< I_wkb, wkb_ft::GEOMETRYFROMWKB >

using	anonymous_namespace{item_create.cc}::Geomfromwkb_instantiator = G_i< I_wkb, wkb_ft::GEOMFROMWKB >

using	anonymous_namespace{item_create.cc}::Linefromwkb_instantiator = G_i< I_wkb, wkb_ft::LINEFROMWKB >

using	anonymous_namespace{item_create.cc}::Linestringfromwkb_instantiator = G_i< I_wkb, wkb_ft::LINESTRINGFROMWKB >

using	anonymous_namespace{item_create.cc}::Mlinefromwkb_instantiator = G_i< I_wkb, wkb_ft::MLINEFROMWKB >

using	anonymous_namespace{item_create.cc}::Mpointfromwkb_instantiator = G_i< I_wkb, wkb_ft::MPOINTFROMWKB >

using	anonymous_namespace{item_create.cc}::Mpolyfromwkb_instantiator = G_i< I_wkb, wkb_ft::MPOLYFROMWKB >

using	anonymous_namespace{item_create.cc}::Multilinestringfromwkb_instantiator = G_i< I_wkb, wkb_ft::MULTILINESTRINGFROMWKB >

using	anonymous_namespace{item_create.cc}::Multipointfromwkb_instantiator = G_i< I_wkb, wkb_ft::MULTIPOINTFROMWKB >

using	anonymous_namespace{item_create.cc}::Multipolygonfromwkb_instantiator = G_i< I_wkb, wkb_ft::MULTIPOLYGONFROMWKB >

using	anonymous_namespace{item_create.cc}::Pointfromwkb_instantiator = G_i< I_wkb, wkb_ft::POINTFROMWKB >

using	anonymous_namespace{item_create.cc}::Polyfromwkb_instantiator = G_i< I_wkb, wkb_ft::POLYFROMWKB >

using	anonymous_namespace{item_create.cc}::Polygonfromwkb_instantiator = G_i< I_wkb, wkb_ft::POLYGONFROMWKB >

using	Native_functions_hash = std::unordered_map< std::string, Create_func * >

Functions
uint	anonymous_namespace{item_create.cc}::arglist_length (const PT_item_list *args)

bool	anonymous_namespace{item_create.cc}::check_argcount_bounds (THD , LEX_STRING function_name, PT_item_list item_list, uint min_argcount, uint max_argcount)

bool	item_create_init ()
	Load the hash table for native functions. More...

void	item_create_cleanup ()
	Empty the hash table for native functions. More...

Create_func *	find_native_function_builder (const LEX_STRING &name)
	Find the native function builder associated with a given function name. More...

Create_qfunc *	find_qualified_function_builder (THD *thd)
	Find the function builder for qualified functions. More...

Item *	create_func_cast (THD thd, const POS &pos, Item a, Cast_target cast_target, const CHARSET_INFO *cs)

static bool	validate_cast_type_and_extract_length (const THD thd, const POS &pos, Item arg, const Cast_type &cast_type, bool as_array, int64_t length, uint precision)
	Validates a cast target type and extracts the specified length and precision of the target type. More...

Item *	create_func_cast (THD thd, const POS &pos, Item arg, const Cast_type &type, bool as_array)
	This function does not store the reference to `type`. More...

Item *	create_func_json_value (THD thd, const POS &pos, Item arg, Item path, const Cast_type &type, Json_on_response_type on_empty_type, Item on_empty_default, Json_on_response_type on_error_type, Item *on_error_default)
	Creates an Item that represents a JSON_VALUE expression. More...

Item *	create_temporal_literal (THD thd, const char str, size_t 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'. More...

Variables
constexpr auto	anonymous_namespace{item_create.cc}::MAX_ARGLIST_SIZE
	We use this to declare that a function takes an infinite number of arguments. More...

static const std::pair< const char , Create_func >	func_array []
	MySQL native functions. More...

static const Native_functions_hash *	native_functions_hash

Detailed Description

Functions to create an item.

Used by sql_yacc.yy

Classes

Namespaces

Macros

Typedefs

Functions

Variables

Detailed Description