1<?php 2/* 3 * $Id: Set.php 7490 2010-03-29 19:53:27Z jwage $ 4 * 5 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 6 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 7 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 8 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 9 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 10 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 11 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 12 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 13 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 14 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 15 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 16 * 17 * This software consists of voluntary contributions made by many individuals 18 * and is licensed under the LGPL. For more information, see 19 * <http://www.doctrine-project.org>. 20 */ 21 22/** 23 * Doctrine_Query 24 * 25 * @package Doctrine 26 * @subpackage Query 27 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL 28 * @link www.doctrine-project.org 29 * @since 1.0 30 * @version $Revision: 7490 $ 31 * @author Konsta Vesterinen <kvesteri@cc.hut.fi> 32 */ 33class Doctrine_Query_Set extends Doctrine_Query_Part 34{ 35 public function parse($dql) 36 { 37 $terms = $this->_tokenizer->sqlExplode($dql, ' '); 38 $termsTranslation = array(); 39 40 foreach ($terms as $term) { 41 $termOriginal = $term; 42 43 // We need to check for agg functions here 44 $matches = array(); 45 $hasAggExpression = $this->_processPossibleAggExpression($term, $matches); 46 47 $lftExpr = (($hasAggExpression) ? $matches[1] . '(' : ''); 48 $rgtExpr = (($hasAggExpression) ? $matches[3] . ')' : ''); 49 50 preg_match_all("/^([a-zA-Z0-9_]+[\.[a-zA-Z0-9_]+]*)(\sAS\s[a-zA-Z0-9_]+)?/i", $term, $m, PREG_SET_ORDER); 51 52 if (isset($m[0])) { 53 $processed = array(); 54 55 foreach ($m as $piece) { 56 $part = $piece[1]; 57 $e = explode('.', trim($part)); 58 59 $fieldName = array_pop($e); 60 $reference = (count($e) > 0) ? implode('.', $e) : $this->query->getRootAlias(); 61 $aliasMap = $this->query->getQueryComponent($reference); 62 63 if ($aliasMap['table']->hasField($fieldName)) { 64 $columnName = $aliasMap['table']->getColumnName($fieldName); 65 $columnName = $aliasMap['table']->getConnection()->quoteIdentifier($columnName); 66 67 $part = $columnName; 68 } 69 70 $processed[] = $part . (isset($piece[2]) ? $piece[2] : ''); 71 } 72 73 $termsTranslation[$termOriginal] = $lftExpr . implode(' ', $processed) . $rgtExpr; 74 } 75 } 76 77 return strtr($dql, $termsTranslation); 78 } 79 80 81 protected function _processPossibleAggExpression(& $expr, & $matches = array()) 82 { 83 $hasAggExpr = preg_match('/(.*[^\s\(\=])\(([^\)]*)\)(.*)/', $expr, $matches); 84 85 if ($hasAggExpr) { 86 $expr = $matches[2]; 87 88 // We need to process possible comma separated items 89 if (substr(trim($matches[3]), 0, 1) == ',') { 90 $xplod = $this->_tokenizer->sqlExplode(trim($matches[3], ' )'), ','); 91 92 $matches[3] = array(); 93 94 foreach ($xplod as $part) { 95 if ($part != '') { 96 $matches[3][] = $this->parseLiteralValue($part); 97 } 98 } 99 100 $matches[3] = '), ' . implode(', ', $matches[3]); 101 } 102 } 103 104 return $hasAggExpr; 105 } 106}