Table_map_restorer Class Reference

This class restores a table_map object to its original value when '*this' is destroyed. More...

#include <sql_optimizer.h>

Public Member Functions
	Table_map_restorer (table_map *map)
	Constructor. More...
	Table_map_restorer (const Table_map_restorer &)=delete
Table_map_restorer &	operator= (const Table_map_restorer &)=delete
	~Table_map_restorer ()
void	restore ()
void	assert_unchanged () const

Private Attributes
table_map *const	m_location
	The location to be restored. More...
const table_map	m_saved_value
	The original value to restore. More...

Detailed Description

This class restores a table_map object to its original value when '*this' is destroyed.

Constructor & Destructor Documentation

Table_map_restorer() [1/2]

Table_map_restorer::Table_map_restorer ( table_map *  map )

inlineexplicit

Constructor.

Parameters

map	The table map that we wish to restore.

Table_map_restorer() [2/2]

Table_map_restorer::Table_map_restorer ( const Table_map_restorer &  )

delete

~Table_map_restorer()

Table_map_restorer::~Table_map_restorer ( )

inline

Member Function Documentation

assert_unchanged()

void Table_map_restorer::assert_unchanged ( ) const

inline

operator=()

Table_map_restorer & Table_map_restorer::operator= ( const Table_map_restorer &  )

delete

restore()

void Table_map_restorer::restore ( )

inline

Member Data Documentation

m_location

table_map* const Table_map_restorer::m_location

private

The location to be restored.

m_saved_value

const table_map Table_map_restorer::m_saved_value

private

The original value to restore.

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

• sql/sql_optimizer.h