1
0
mirror of synced 2024-12-15 07:36:03 +03:00
doctrine2/lib/Doctrine/Query/Production/GroupByClause.php

90 lines
2.6 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.org>.
*/
/**
* GroupByClause = "GROUP" "BY" GroupByItem {"," GroupByItem}
*
* @package Doctrine
* @subpackage Query
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Janne Vanhala <jpvanhal@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link http://www.phpdoctrine.org
* @since 2.0
* @version $Revision$
*/
class Doctrine_Query_Production_GroupByClause extends Doctrine_Query_Production
{
protected $_groupByItems = array();
public function syntax($paramHolder)
{
$this->_parser->match(Doctrine_Query_Token::T_GROUP);
$this->_parser->match(Doctrine_Query_Token::T_BY);
$this->_groupByItems[] = $this->AST('GroupByItem', $paramHolder);
while ($this->_isNextToken(',')) {
$this->_parser->match(',');
$this->_groupByItems[] = $this->AST('GroupByItem', $paramHolder);
}
}
public function buildSql()
{
return 'GROUP BY ' . implode(', ', $this->_mapGroupByItems());
}
protected function _mapGroupByItems()
{
return array_map(array(&$this, '_mapGroupByItem'), $this->_groupByItems);
}
protected function _mapGroupByItem($value)
{
return $value->buildSql();
}
/**
* Visitor support
*
* @param object $visitor
*/
public function accept($visitor)
{
foreach ($this->_groupByItems as $item) {
$item->accept($visitor);
}
$visitor->visitGroupByClause($this);
}
/* Getters */
public function getGroupByItems()
{
return $this->_groupByItems;
}
}