Blob_mem_storage Class Reference

#include <table.h>

Inheritance diagram for Blob_mem_storage:

Collaboration diagram for Blob_mem_storage:

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

Additional Inherited Members
Static Public Member Functions inherited from Sql_alloc
static void *	operator new (size_t size) throw ()
static void *	operator new[] (size_t size) throw ()
static void *	operator new[] (size_t size, MEM_ROOT *mem_root) throw ()
static void *	operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void *ptr, MEM_ROOT *mem_root)
static void	operator delete[] (void *ptr, MEM_ROOT *mem_root)
static void	operator delete[] (void *ptr, size_t size)

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.

Definition at line 918 of file table.h.

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.

Definition at line 951 of file table.h.

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

• sql/table.h