Blob_mem_storage Class Reference

#include <table.h>

Inheritance diagram for Blob_mem_storage:

List of all members.

Public Member Functions
void	reset ()
char *	store (const char *from, uint length)
void	set_truncated_value (bool is_truncated_value)
bool	is_truncated_value ()

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Detailed Description

Class is used as a BLOB field value storage for intermediate GROUP_CONCAT results. Used only for GROUP_CONCAT with DISTINCT or ORDER BY options.

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Member Function Documentation

char* Blob_mem_storage::store	(	const char *	from,
		uint	length
	)		[inline]

Fuction creates duplicate of 'from' string in 'storage' MEM_ROOT.

Parameters:

from	string to copy
length	string length

Return values:

Pointer	to the copied string.
0	if an error occured.

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

• table.h