/usr/share/php/Doctrine/ORM/Query/AST/Functions/IdentityFunction.php is in php-doctrine-orm 2.4.8-2.
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/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\AST\Functions;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;
use Doctrine\ORM\Query\QueryException;
/**
* "IDENTITY" "(" SingleValuedAssociationPathExpression {"," string} ")"
*
*
* @link www.doctrine-project.org
* @since 2.2
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Benjamin Eberlei <kontakt@beberlei.de>
*/
class IdentityFunction extends FunctionNode
{
/**
* @var \Doctrine\ORM\Query\AST\PathExpression
*/
public $pathExpression;
/**
* @var string
*/
public $fieldMapping;
/**
* {@inheritdoc}
*/
public function getSql(SqlWalker $sqlWalker)
{
$platform = $sqlWalker->getEntityManager()->getConnection()->getDatabasePlatform();
$quoteStrategy = $sqlWalker->getEntityManager()->getConfiguration()->getQuoteStrategy();
$dqlAlias = $this->pathExpression->identificationVariable;
$assocField = $this->pathExpression->field;
$qComp = $sqlWalker->getQueryComponent($dqlAlias);
$class = $qComp['metadata'];
$assoc = $class->associationMappings[$assocField];
$targetEntity = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']);
$joinColumn = reset($assoc['joinColumns']);
if ($this->fieldMapping !== null) {
if ( ! isset($targetEntity->fieldMappings[$this->fieldMapping])) {
throw new QueryException(sprintf('Undefined reference field mapping "%s"', $this->fieldMapping));
}
$field = $targetEntity->fieldMappings[$this->fieldMapping];
$joinColumn = null;
foreach ($assoc['joinColumns'] as $mapping) {
if($mapping['referencedColumnName'] === $field['columnName']) {
$joinColumn = $mapping;
break;
}
}
if ($joinColumn === null) {
throw new QueryException(sprintf('Unable to resolve the reference field mapping "%s"', $this->fieldMapping));
}
}
//The table with the relation may be a subclass, so get the table name from the association definition
$tableName = $sqlWalker->getEntityManager()->getClassMetadata($assoc['sourceEntity'])->getTableName();
$tableAlias = $sqlWalker->getSQLTableAlias($tableName, $dqlAlias);
$columnName = $quoteStrategy->getJoinColumnName($joinColumn, $targetEntity, $platform);
return $tableAlias . '.' . $columnName;
}
/**
* {@inheritdoc}
*/
public function parse(Parser $parser)
{
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
$this->pathExpression = $parser->SingleValuedAssociationPathExpression();
if ($parser->getLexer()->isNextToken(Lexer::T_COMMA)) {
$parser->match(Lexer::T_COMMA);
$parser->match(Lexer::T_STRING);
$this->fieldMapping = $parser->getLexer()->token['value'];
}
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}
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