UDF_INIT Struct Reference

Information about the result of a user defined function. More...

#include <udf_registration_types.h>

Public Attributes
bool	maybe_null
unsigned int	decimals
	1 if function can return NULL More...
unsigned long	max_length
	for real functions More...
char *	ptr
	For string functions. More...
bool	const_item
	free pointer for function data More...
void *	extension
	1 if function always returns the same value More...

Detailed Description

Information about the result of a user defined function.

See also

Item_udf_func::update_used_tables()

Member Data Documentation

const_item

bool UDF_INIT::const_item

free pointer for function data

decimals

unsigned int UDF_INIT::decimals

1 if function can return NULL

extension

void* UDF_INIT::extension

1 if function always returns the same value

max_length

unsigned long UDF_INIT::max_length

for real functions

maybe_null

bool UDF_INIT::maybe_null

ptr

char* UDF_INIT::ptr

For string functions.

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The documentation for this struct was generated from the following file:

• include/mysql/udf_registration_types.h