Public Member Functions
	Undo_buffer (class Ndbd_mem_manager *)
Uint32 *	alloc_copy_tuple (Local_key *dst, Uint32 words)
void	shrink_copy_tuple (Local_key *dst, Uint32 words)
void	free_copy_tuple (Local_key *key)
Uint32 *	get_ptr (const Local_key *key)

Detailed Description

Definition at line 25 of file Undo_buffer.hpp.

Member Function Documentation

Uint32 * Undo_buffer::alloc_copy_tuple	(	Local_key *	dst,
		Uint32	words
	)

Alloc space for a copy tuple of size words store address to copy in dst supply pointer to original in curr

Definition at line 55 of file Undo_buffer.cpp.

void Undo_buffer::free_copy_tuple ( Local_key * key )

Free space for copy tuple at key

Definition at line 105 of file Undo_buffer.cpp.

Uint32 * Undo_buffer::get_ptr ( const Local_key * key )

Get pointer to copy tuple

Definition at line 130 of file Undo_buffer.cpp.

void Undo_buffer::shrink_copy_tuple	(	Local_key *	dst,
		Uint32	words
	)

Shrink size of copy tuple note: Only shrink latest allocated tuple

Definition at line 96 of file Undo_buffer.cpp.

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