327 lines
9.5 KiB
PHP
327 lines
9.5 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.com>.
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*/
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/**
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* Doctrine_Resource_Query
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*
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* @package Doctrine
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* @subpackage Resource
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* @author Jonathan H. Wage <jwage@mac.com>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @version $Revision$
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* @link www.phpdoctrine.com
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* @since 1.0
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*/
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class Doctrine_Resource_Query
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{
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protected $_parts = array();
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protected $_dql = null;
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public function getConfig($key = null)
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{
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return Doctrine_Resource_Client::getInstance()->getConfig($key);
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}
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public function query($dql, $params = array())
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{
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$this->_dql = $dql;
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return $this->execute($params);
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}
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public function execute($params = array())
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{
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$params = is_array($params) ? $params:array($params);
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$request = new Doctrine_Resource_Request();
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$request->set('dql', $this->getDql());
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$request->set('params', $params);
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$request->set('action', 'query');
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$request->set('model', $this->getModel());
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$response = $request->execute();
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if (!empty($response)) {
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$collection = new Doctrine_Resource_Collection($this->getModel());
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$collection->fromArray($response);
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} else {
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$model = $this->getModel();
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$collection = new Doctrine_Resource_Collection($model);
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$collection[] = new $model();
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}
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return $collection;
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}
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public function getDql()
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{
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if (!$this->_dql && !empty($this->_parts)) {
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$q = '';
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$q .= ( ! empty($this->_parts['select']))? 'SELECT ' . implode(', ', $this->_parts['select']) : '';
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$q .= ( ! empty($this->_parts['from']))? ' FROM ' . implode(' ', $this->_parts['from']) : '';
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$q .= ( ! empty($this->_parts['where']))? ' WHERE ' . implode(' AND ', $this->_parts['where']) : '';
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$q .= ( ! empty($this->_parts['groupby']))? ' GROUP BY ' . implode(', ', $this->_parts['groupby']) : '';
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$q .= ( ! empty($this->_parts['having']))? ' HAVING ' . implode(' AND ', $this->_parts['having']) : '';
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$q .= ( ! empty($this->_parts['orderby']))? ' ORDER BY ' . implode(', ', $this->_parts['orderby']) : '';
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$q .= ( ! empty($this->_parts['limit']))? ' LIMIT ' . implode(' ', $this->_parts['limit']) : '';
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$q .= ( ! empty($this->_parts['offset']))? ' OFFSET ' . implode(' ', $this->_parts['offset']) : '';
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return $q;
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} else {
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return $this->_dql;
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}
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}
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public function buildUrl($array)
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{
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$url = '';
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foreach ($array as $key => $value) {
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if (is_array($value)) {
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$url .= $this->buildUrl($value);
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} else {
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$url .= $key.'='.$value.'&';
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}
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}
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return $url;
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}
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public function getModel()
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{
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$dql = $this->getDql();
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$e = explode('FROM ', $dql);
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$e = explode(' ', $e[1]);
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return $e[0];
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}
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/**
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* addSelect
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* adds fields to the SELECT part of the query
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*
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* @param string $select Query SELECT part
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* @return Doctrine_Query
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*/
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public function addSelect($select)
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{
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return $this->parseQueryPart('select', $select, true);
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}
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/**
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* addFrom
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* adds fields to the FROM part of the query
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*
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* @param string $from Query FROM part
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* @return Doctrine_Query
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*/
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public function addFrom($from)
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{
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return $this->parseQueryPart('from', $from, true);
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}
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/**
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* addWhere
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* adds conditions to the WHERE part of the query
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*
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* @param string $where Query WHERE part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function addWhere($where)
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{
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return $this->parseQueryPart('where', $where, true);
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}
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/**
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* addGroupBy
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* adds fields to the GROUP BY part of the query
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*
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* @param string $groupby Query GROUP BY part
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* @return Doctrine_Query
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*/
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public function addGroupBy($groupby)
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{
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return $this->parseQueryPart('groupby', $groupby, true);
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}
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/**
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* addHaving
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* adds conditions to the HAVING part of the query
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*
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* @param string $having Query HAVING part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function addHaving($having)
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{
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return $this->parseQueryPart('having', $having, true);
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}
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/**
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* addOrderBy
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* adds fields to the ORDER BY part of the query
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*
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* @param string $orderby Query ORDER BY part
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* @return Doctrine_Query
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*/
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public function addOrderBy($orderby)
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{
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return $this->parseQueryPart('orderby', $orderby, true);
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}
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/**
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* select
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* sets the SELECT part of the query
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*
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* @param string $select Query SELECT part
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* @return Doctrine_Query
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*/
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public function select($select)
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{
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return $this->parseQueryPart('select', $select);
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}
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/**
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* distinct
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* Makes the query SELECT DISTINCT.
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*
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* @param bool $flag Whether or not the SELECT is DISTINCT (default true).
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* @return Doctrine_Query
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*/
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public function distinct($flag = true)
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{
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$this->parseQueryPart('distinct', (bool) $flag);
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}
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/**
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* from
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* sets the FROM part of the query
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*
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* @param string $from Query FROM part
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* @return Doctrine_Query
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*/
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public function from($from)
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{
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return $this->parseQueryPart('from', $from);
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}
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/**
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* innerJoin
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* appends an INNER JOIN to the FROM part of the query
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*
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* @param string $join Query INNER JOIN
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* @return Doctrine_Query
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*/
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public function innerJoin($join)
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{
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return $this->parseQueryPart('from', 'INNER JOIN ' . $join, true);
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}
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/**
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* leftJoin
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* appends a LEFT JOIN to the FROM part of the query
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*
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* @param string $join Query LEFT JOIN
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* @return Doctrine_Query
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*/
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public function leftJoin($join)
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{
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return $this->parseQueryPart('from', 'LEFT JOIN ' . $join, true);
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}
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/**
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* groupBy
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* sets the GROUP BY part of the query
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*
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* @param string $groupby Query GROUP BY part
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* @return Doctrine_Query
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*/
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public function groupBy($groupby)
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{
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return $this->parseQueryPart('groupby', $groupby);
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}
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/**
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* where
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* sets the WHERE part of the query
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*
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* @param string $join Query WHERE part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function where($where)
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{
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return $this->parseQueryPart('where', $where);
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}
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/**
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* having
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* sets the HAVING part of the query
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*
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* @param string $having Query HAVING part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function having($having)
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{
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return $this->parseQueryPart('having', $having);
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}
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/**
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* orderBy
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* sets the ORDER BY part of the query
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*
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* @param string $orderby Query ORDER BY part
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* @return Doctrine_Query
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*/
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public function orderBy($orderby)
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{
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return $this->parseQueryPart('orderby', $orderby);
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}
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/**
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* limit
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* sets the Query query limit
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*
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* @param integer $limit limit to be used for limiting the query results
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* @return Doctrine_Query
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*/
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public function limit($limit)
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{
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return $this->parseQueryPart('limit', $limit);
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}
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/**
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* offset
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* sets the Query query offset
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*
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* @param integer $offset offset to be used for paginating the query
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* @return Doctrine_Query
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*/
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public function offset($offset)
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{
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return $this->parseQueryPart('offset', $offset);
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}
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/**
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* parseQueryPart
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* parses given DQL query part
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*
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* @param string $queryPartName the name of the query part
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* @param string $queryPart query part to be parsed
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* @return Doctrine_Query this object
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*/
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public function parseQueryPart($queryPartName, $queryPart)
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{
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$this->_parts[$queryPartName][] = $queryPart;
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return $this;
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}
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}
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