106 lines
3.9 KiB
PHP
106 lines
3.9 KiB
PHP
<?php
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/*
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* $Id: Set.php 5798 2009-06-02 15:10:46Z piccoloprincipe $
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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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* Doctrine_Query
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*
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* @package Doctrine
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* @subpackage Query
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.phpdoctrine.org
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* @since 1.0
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* @version $Revision: 5798 $
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Query_Set extends Doctrine_Query_Part
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{
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public function parse($dql)
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{
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$terms = $this->_tokenizer->sqlExplode($dql, ' ');
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$termsTranslation = array();
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foreach ($terms as $term) {
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$termOriginal = $term;
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// We need to check for agg functions here
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$matches = array();
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$hasAggExpression = $this->_processPossibleAggExpression($term, $matches);
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$lftExpr = (($hasAggExpression) ? $matches[1] . '(' : '');
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$rgtExpr = (($hasAggExpression) ? $matches[3] . ')' : '');
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preg_match_all("/^([a-zA-Z0-9_]+[\.[a-zA-Z0-9_]+]*)(\sAS\s[a-zA-Z0-9_]+)?/i", $term, $m, PREG_SET_ORDER);
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if (isset($m[0])) {
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$processed = array();
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foreach ($m as $piece) {
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$part = $piece[1];
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$e = explode('.', trim($part));
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$fieldName = array_pop($e);
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$reference = (count($e) > 0) ? implode('.', $e) : $this->query->getRootAlias();
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$aliasMap = $this->query->getAliasDeclaration($reference);
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if ($aliasMap['table']->hasField($fieldName)) {
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$columnName = $aliasMap['table']->getColumnName($fieldName);
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$columnName = $aliasMap['table']->getConnection()->quoteIdentifier($columnName);
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$part = $columnName;
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}
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$processed[] = $part . (isset($piece[2]) ? $piece[2] : '');
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}
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$termsTranslation[$termOriginal] = $lftExpr . implode(' ', $processed) . $rgtExpr;
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}
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}
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return strtr($dql, $termsTranslation);
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}
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protected function _processPossibleAggExpression(& $expr, & $matches = array())
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{
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$hasAggExpr = preg_match('/(.*[^\s\(\=])\(([^\)]*)\)(.*)/', $expr, $matches);
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if ($hasAggExpr) {
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$expr = $matches[2];
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// We need to process possible comma separated items
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if (substr(trim($matches[3]), 0, 1) == ',') {
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$xplod = $this->_tokenizer->sqlExplode(trim($matches[3], ' )'), ',');
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$matches[3] = array();
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foreach ($xplod as $part) {
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if ($part != '') {
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$matches[3][] = $this->parseLiteralValue($part);
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}
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}
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$matches[3] = '), ' . implode(', ', $matches[3]);
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}
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}
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return $hasAggExpr;
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}
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} |