99 lines
4.0 KiB
PHP
99 lines
4.0 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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* IndexBy ::= "INDEX" "BY" SimpleStateFieldPathExpression
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*
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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 2.0
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* @version $Revision$
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*/
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class Doctrine_ORM_Query_Parser_IndexBy extends Doctrine_ORM_Query_ParserRule
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{
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protected $_AST = null;
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public function syntax()
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{
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// IndexBy ::= "INDEX" "BY" SimpleStateFieldPathExpression
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$this->_AST = $this->AST('IndexBy');
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$this->_parser->match(Doctrine_ORM_Query_Token::T_INDEX);
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$this->_parser->match(Doctrine_ORM_Query_Token::T_BY);
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$this->_AST->setSimpleStateFieldPathExpression($this->parse('SimpleStateFieldPathExpression'));
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}
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public function semantical()
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{
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// Retrieving required information
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$parserResult = $this->_parser->getParserResult();
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// Grab INDEX BY information
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$componentAlias = $this->_AST->getSimpleStateFieldPathExpression()
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->getIdentificationVariable()->getComponentAlias();
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$componentFieldName = $this->_AST->getSimpleStateFieldPathExpression()
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->getSimpleStateField()->getFieldName();
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// Trying to retrieve related query component
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try {
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$queryComponent = $parserResult->getQueryComponent($componentAlias);
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$classMetadata = $queryComponent['metadata'];
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} catch (Doctrine_Exception $e) {
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$this->_parser->semanticalError($e->getMessage());
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return;
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}
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// The INDEX BY field must be either the (primary && not part of composite pk) || (unique && notnull)
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$columnMapping = $classMetadata->getFieldMapping($componentFieldName);
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if (
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! $classMetadata->isIdentifier($componentFieldName) &&
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! $classMetadata->isUniqueField($componentFieldName) &&
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! $classMetadata->isNotNull($componentFieldName)
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) {
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$this->_parser->semanticalError(
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"Field '" . $componentFieldName . "' of component '" . $classMetadata->getClassName() .
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"' must be unique and notnull to be used as index.",
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$this->_parser->token
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);
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}
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if ($classMetadata->isIdentifier($componentFieldName) && $classMetadata->isIdentifierComposite()) {
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$this->_parser->semanticalError(
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"Field '" . $componentFieldName . "' of component '" . $classMetadata->getClassName() .
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"' must be primary and not part of a composite primary key to be used as index.",
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$this->_parser->token
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);
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}
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$queryComponent['map'] = $componentFieldName;
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$parserResult->setQueryComponent($componentAlias, $queryComponent);
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// Return AST node
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return $this->_AST;
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}
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} |