106 lines
3.8 KiB
PHP
106 lines
3.8 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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/**
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* Subselect = SimpleSelectClause FromClause [WhereClause] [GroupByClause]
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* [HavingClause] [OrderByClause] [LimitClause] [OffsetClause]
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*
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* @package Doctrine
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* @subpackage Query
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Janne Vanhala <jpvanhal@cc.hut.fi>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link http://www.phpdoctrine.org
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* @since 1.0
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* @version $Revision$
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*/
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class Doctrine_Query_Production_Subselect extends Doctrine_Query_Production
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{
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protected $_simpleSelectClause;
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protected $_fromClause;
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protected $_whereClause;
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protected $_groupByClause;
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protected $_havingClause;
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protected $_orderByClause;
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protected $_limitClause;
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public function syntax($paramHolder)
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{
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// Subselect = SimpleSelectClause FromClause [WhereClause] [GroupByClause] [HavingClause] [OrderByClause] [LimitClause]
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// Disable the semantical check for SelectClause now. This is needed
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// since we dont know the query components yet (will be known only
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// when the FROM clause be processed).
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$paramHolder->set('semanticalCheck', false);
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$this->_simpleSelectClause = $this->AST('SimpleSelectClause', $paramHolder);
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$paramHolder->remove('semanticalCheck');
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$this->_fromClause = $this->AST('FromClause', $paramHolder);
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if ($this->_isNextToken(Doctrine_Query_Token::T_WHERE)) {
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$this->_whereClause = $this->AST('WhereClause', $paramHolder);
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}
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if ($this->_isNextToken(Doctrine_Query_Token::T_GROUP)) {
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$this->_groupByClause = $this->AST('GroupByClause', $paramHolder);
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}
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if ($this->_isNextToken(Doctrine_Query_Token::T_HAVING)) {
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$this->_havingClause = $this->AST('HavingClause', $paramHolder);
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}
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if ($this->_isNextToken(Doctrine_Query_Token::T_ORDER)) {
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$this->_orderByClause = $this->AST('OrderByClause', $paramHolder);
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}
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if ($this->_isNextToken(Doctrine_Query_Token::T_LIMIT)) {
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$this->_limitClause = $this->AST('LimitClause', $paramHolder);
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}
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}
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public function semantical($paramHolder)
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{
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// We need to invoke the semantical check of SelectClause here, since
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// it was not yet checked.
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$this->_simpleSelectClause->semantical($paramHolder);
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}
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public function buildSql()
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{
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return $this->_simpleSelectClause->buildSql() . ' ' . $this->_fromClause->buildSql()
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. (($this->_whereClause !== null) ? ' ' . $this->_whereClause->buildSql() : '')
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. (($this->_groupByClause !== null) ? ' ' . $this->_groupByClause->buildSql() : '')
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. (($this->_havingClause !== null) ? ' ' . $this->_havingClause->buildSql() : '')
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. (($this->_orderByClause !== null) ? ' ' . $this->_orderByClause->buildSql() : '');
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}
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}
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