Source of file SizeFunction.php
Size: 4,984 Bytes - Last Modified: 2013-05-11T09:51:12+02:00
/home/theseer/Downloads/Symfony/vendor/doctrine/orm/lib/Doctrine/ORM/Query/AST/Functions/SizeFunction.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122 | <?php /* * 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; /** * "SIZE" "(" CollectionValuedPathExpression ")" * * * @link www.doctrine-project.org * @since 2.0 * @author Guilherme Blanco <guilhermeblanco@hotmail.com> * @author Jonathan Wage <jonwage@gmail.com> * @author Roman Borschel <roman@code-factory.org> * @author Benjamin Eberlei <kontakt@beberlei.de> */ class SizeFunction extends FunctionNode { public $collectionPathExpression; /** * @override * @todo If the collection being counted is already joined, the SQL can be simpler (more efficient). */ public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker) { $platform = $sqlWalker->getEntityManager()->getConnection()->getDatabasePlatform(); $quoteStrategy = $sqlWalker->getEntityManager()->getConfiguration()->getQuoteStrategy(); $dqlAlias = $this->collectionPathExpression->identificationVariable; $assocField = $this->collectionPathExpression->field; $qComp = $sqlWalker->getQueryComponent($dqlAlias); $class = $qComp['metadata']; $assoc = $class->associationMappings[$assocField]; $sql = 'SELECT COUNT(*) FROM '; if ($assoc['type'] == \Doctrine\ORM\Mapping\ClassMetadata::ONE_TO_MANY) { $targetClass = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']); $targetTableAlias = $sqlWalker->getSQLTableAlias($targetClass->getTableName()); $sourceTableAlias = $sqlWalker->getSQLTableAlias($class->getTableName(), $dqlAlias); $sql .= $quoteStrategy->getTableName($targetClass, $platform) . ' ' . $targetTableAlias . ' WHERE '; $owningAssoc = $targetClass->associationMappings[$assoc['mappedBy']]; $first = true; foreach ($owningAssoc['targetToSourceKeyColumns'] as $targetColumn => $sourceColumn) { if ($first) $first = false; else $sql .= ' AND '; $sql .= $targetTableAlias . '.' . $sourceColumn . ' = ' . $sourceTableAlias . '.' . $quoteStrategy->getColumnName($class->fieldNames[$targetColumn], $class, $platform); } } else { // many-to-many $targetClass = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']); $owningAssoc = $assoc['isOwningSide'] ? $assoc : $targetClass->associationMappings[$assoc['mappedBy']]; $joinTable = $owningAssoc['joinTable']; // SQL table aliases $joinTableAlias = $sqlWalker->getSQLTableAlias($joinTable['name']); $sourceTableAlias = $sqlWalker->getSQLTableAlias($class->getTableName(), $dqlAlias); // join to target table $sql .= $quoteStrategy->getJoinTableName($owningAssoc, $targetClass, $platform) . ' ' . $joinTableAlias . ' WHERE '; $joinColumns = $assoc['isOwningSide'] ? $joinTable['joinColumns'] : $joinTable['inverseJoinColumns']; $first = true; foreach ($joinColumns as $joinColumn) { if ($first) $first = false; else $sql .= ' AND '; $sourceColumnName = $quoteStrategy->getColumnName( $class->fieldNames[$joinColumn['referencedColumnName']], $class, $platform ); $sql .= $joinTableAlias . '.' . $joinColumn['name'] . ' = ' . $sourceTableAlias . '.' . $sourceColumnName; } } return '(' . $sql . ')'; } /** * @override */ public function parse(\Doctrine\ORM\Query\Parser $parser) { $parser->match(Lexer::T_IDENTIFIER); $parser->match(Lexer::T_OPEN_PARENTHESIS); $this->collectionPathExpression = $parser->CollectionValuedPathExpression(); $parser->match(Lexer::T_CLOSE_PARENTHESIS); } } |