udf_registration_types.h File Reference

#include <stdbool.h>

Go to the source code of this file.

Classes
struct	UDF_ARGS
struct	UDF_INIT
	Information about the result of a user defined function. More...

Typedefs
typedef struct UDF_ARGS	UDF_ARGS
typedef struct UDF_INIT	UDF_INIT
	Information about the result of a user defined function. More...
typedef void(*	Udf_func_clear) (UDF_INIT *, unsigned char *, unsigned char *)
typedef void(*	Udf_func_add) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)
typedef void(*	Udf_func_deinit) (UDF_INIT *)
typedef bool(*	Udf_func_init) (UDF_INIT *, UDF_ARGS *, char *)
typedef void(*	Udf_func_any) (void)
typedef double(*	Udf_func_double) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)
typedef long long(*	Udf_func_longlong) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)
typedef char *(*	Udf_func_string) (UDF_INIT *, UDF_ARGS *, char *, unsigned long *, unsigned char *, unsigned char *)

Enumerations
enum	Item_result {   INVALID_RESULT = -1 , STRING_RESULT = 0 , REAL_RESULT , INT_RESULT ,   ROW_RESULT , DECIMAL_RESULT }
	Type of the user defined function return slot and arguments. More...
enum	Item_udftype { UDFTYPE_FUNCTION = 1 , UDFTYPE_AGGREGATE }

Typedef Documentation

UDF_ARGS

typedef struct UDF_ARGS UDF_ARGS

Udf_func_add

typedef void(* Udf_func_add) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)

Udf_func_any

typedef void(* Udf_func_any) (void)

Udf_func_clear

typedef void(* Udf_func_clear) (UDF_INIT *, unsigned char *, unsigned char *)

Udf_func_deinit

typedef void(* Udf_func_deinit) (UDF_INIT *)

Udf_func_double

typedef double(* Udf_func_double) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)

Udf_func_init

typedef bool(* Udf_func_init) (UDF_INIT *, UDF_ARGS *, char *)

Udf_func_longlong

typedef long long(* Udf_func_longlong) (UDF_INIT *, UDF_ARGS *, unsigned char *, unsigned char *)

Udf_func_string

typedef char *(* Udf_func_string) (UDF_INIT *, UDF_ARGS *, char *, unsigned long *, unsigned char *, unsigned char *)

UDF_INIT

typedef struct UDF_INIT UDF_INIT

Information about the result of a user defined function.

See also

Item_udf_func::update_used_tables()

Enumeration Type Documentation

Item_result

enum Item_result

Type of the user defined function return slot and arguments.

Enumerator
INVALID_RESULT
STRING_RESULT	not valid for UDFs
REAL_RESULT	char *
INT_RESULT	double
ROW_RESULT	long long
DECIMAL_RESULT	not valid for UDFs char *, to be converted to/from a decimal

Item_udftype

enum Item_udftype

Enumerator
UDFTYPE_FUNCTION
UDFTYPE_AGGREGATE