104 lines
3.9 KiB
PHP
104 lines
3.9 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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Doctrine::autoload('Doctrine_Query_Part');
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/**
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* Doctrine_Query_JoinCondition
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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.com
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* @since 1.0
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* @version $Revision$
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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*/
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class Doctrine_Query_JoinCondition extends Doctrine_Query_Condition
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{
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public function load($condition)
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{
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$condition = trim($condition);
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$e = $this->_tokenizer->sqlExplode($condition);
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if (count($e) > 2) {
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$a = explode('.', $e[0]);
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$field = array_pop($a);
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$reference = implode('.', $a);
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$operator = $e[1];
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$value = $e[2];
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$alias = $this->query->getTableAlias($reference);
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$map = $this->query->getAliasDeclaration($reference);
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$table = $map['table'];
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// check if value is enumerated value
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$enumIndex = $table->enumIndex($field, trim($value, "'"));
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if (substr($value, 0, 1) == '(') {
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// trim brackets
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$trimmed = $this->_tokenizer->bracketTrim($value);
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if (substr($trimmed, 0, 4) == 'FROM' || substr($trimmed, 0, 6) == 'SELECT') {
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// subquery found
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$q = $this->query->createSubquery();
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$value = '(' . $q->parseQuery($trimmed)->getQuery() . ')';
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} elseif (substr($trimmed, 0, 4) == 'SQL:') {
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$value = '(' . substr($trimmed, 4) . ')';
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} else {
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// simple in expression found
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$e = $this->_tokenizer->sqlExplode($trimmed, ',');
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$value = array();
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foreach ($e as $part) {
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$index = $table->enumIndex($field, trim($part, "'"));
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if ($index !== false) {
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$value[] = $index;
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} else {
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$value[] = $this->parseLiteralValue($part);
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}
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}
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$value = '(' . implode(', ', $value) . ')';
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}
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} else {
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if ($enumIndex !== false) {
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$value = $enumIndex;
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} else {
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$value = $this->parseLiteralValue($value);
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}
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}
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switch ($operator) {
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case '<':
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case '>':
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case '=':
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case '!=':
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if ($enumIndex !== false) {
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$value = $enumIndex;
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}
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default:
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$condition = $alias . '.' . $field . ' '
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. $operator . ' ' . $value;
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}
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}
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return $condition;
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}
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} |