1
0
mirror of synced 2024-12-15 15:46:02 +03:00
doctrine2/lib/Doctrine/Query/Production/SelectStatement.php

97 lines
3.6 KiB
PHP
Raw Normal View History

2008-05-24 22:18:37 +04:00
<?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>.
*/
/**
* SelectStatement = SelectClause FromClause [WhereClause] [GroupByClause] [HavingClause] [OrderByClause]
*
* @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 1.0
* @version $Revision$
*/
class Doctrine_Query_Production_SelectStatement extends Doctrine_Query_Production
{
protected $_selectClause;
protected $_fromClause;
protected $_whereClause;
protected $_groupByClause;
protected $_havingClause;
protected $_orderByClause;
public function syntax($paramHolder)
{
// SelectStatement = SelectClause FromClause [WhereClause] [GroupByClause] [HavingClause] [OrderByClause]
// Disable the semantical check for SelectClause now. This is needed
// since we dont know the query components yet (will be known only
// when the FROM clause be processed).
$paramHolder->set('semanticalCheck', false);
$this->_selectClause = $this->AST('SelectClause', $paramHolder);
$paramHolder->remove('semanticalCheck');
$this->_fromClause = $this->AST('FromClause', $paramHolder);
if ($this->_isNextToken(Doctrine_Query_Token::T_WHERE)) {
$this->_whereClause = $this->AST('WhereClause', $paramHolder);
}
if ($this->_isNextToken(Doctrine_Query_Token::T_GROUP)) {
$this->_groupByClause = $this->AST('GroupByClause', $paramHolder);
}
if ($this->_isNextToken(Doctrine_Query_Token::T_HAVING)) {
$this->_havingClause = $this->AST('HavingClause', $paramHolder);
}
if ($this->_isNextToken(Doctrine_Query_Token::T_ORDER)) {
$this->_orderByClause = $this->AST('OrderByClause', $paramHolder);
}
}
public function semantical($paramHolder)
{
// We need to invoke the semantical check of SelectClause here, since
// it was not yet checked.
$this->_selectClause->semantical($paramHolder);
}
public function buildSql()
{
return $this->_selectClause->buildSql() . ' ' . $this->_fromClause->buildSql()
. (($this->_whereClause !== null) ? ' ' . $this->_whereClause->buildSql() : ' WHERE 1 = 1')
. (($this->_groupByClause !== null) ? ' ' . $this->_groupByClause->buildSql() : '')
. (($this->_havingClause !== null) ? ' ' . $this->_havingClause->buildSql() : '')
. (($this->_orderByClause !== null) ? ' ' . $this->_orderByClause->buildSql() : '');
}
}