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doctrine2/lib/Doctrine/ORM/Query/AST/SelectClause.php

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<?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
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* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\AST;
/**
* SelectClause = "SELECT" ["DISTINCT"] SelectExpression {"," SelectExpression}
*
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link http://www.doctrine-project.org
* @since 2.0
* @version $Revision$
*/
class SelectClause extends Node
{
protected $_isDistinct;
protected $_selectExpressions = array();
public function __construct(array $selectExpressions, $isDistinct)
{
$this->_isDistinct = $isDistinct;
$this->_selectExpressions = $selectExpressions;
}
/* Getters */
public function isDistinct()
{
return $this->_isDistinct;
}
public function getSelectExpressions()
{
return $this->_selectExpressions;
}
/* REMOVE ME LATER. COPIED METHODS FROM SPLIT OF PRODUCTION INTO "AST" AND "PARSER" */
public function buildSql()
{
return 'SELECT ' . (($this->_isDistinct) ? 'DISTINCT ' : '')
. implode(', ', $this->_mapSelectExpressions());
}
protected function _mapSelectExpressions()
{
return array_map(array(&$this, '_mapSelectExpression'), $this->_selectExpressions);
}
protected function _mapSelectExpression($value)
{
return is_object($value) ? $value->buildSql() : $value;
}
public function dispatch($sqlWalker)
{
return $sqlWalker->walkSelectClause($this);
}
}