rhymix/classes/db/queryparts/table/MysqlTableWithHint.class.php
2015-04-01 11:30:04 +09:00

83 lines
1.8 KiB
PHP

<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */
/**
* @author NAVER (developers@xpressengine.com)
* @package /classes/db/queryparts/table
* @version 0.1
*/
class MysqlTableWithHint extends Table
{
/**
* table name
* @var string
*/
var $name;
/**
* table alias
* @var string
*/
var $alias;
/**
* index hint type, ex) IGNORE, FORCE, USE...
* @var array
*/
var $index_hints_list;
/**
* constructor
* @param string $name
* @param string $alias
* @param string $index_hints_list
* @return void
*/
function __construct($name, $alias = NULL, $index_hints_list)
{
parent::__construct($name, $alias);
$this->index_hints_list = $index_hints_list;
}
function toString()
{
$result = parent::toString();
$use_index_hint = '';
$force_index_hint = '';
$ignore_index_hint = '';
foreach($this->index_hints_list as $index_hint)
{
$index_hint_type = $index_hint->getIndexHintType();
if($index_hint_type == 'USE')
{
$use_index_hint .= $index_hint->getIndexName() . ', ';
}
else if($index_hint_type == 'FORCE')
{
$force_index_hint .= $index_hint->getIndexName() . ', ';
}
else if($index_hint_type == 'IGNORE')
{
$ignore_index_hint .= $index_hint->getIndexName() . ', ';
}
}
if($use_index_hint != '')
{
$result .= ' USE INDEX (' . substr($use_index_hint, 0, -2) . ') ';
}
if($force_index_hint != '')
{
$result .= ' FORCE INDEX (' . substr($force_index_hint, 0, -2) . ') ';
}
if($ignore_index_hint != '')
{
$result .= ' IGNORE INDEX (' . substr($ignore_index_hint, 0, -2) . ') ';
}
return $result;
}
}
/* End of file MysqlTableWithHint.class.php */
/* Location: ./classes/db/queryparts/table/MysqlTableWithHint.class.php */