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<?php |
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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 MIT license. For more information, see |
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* <http://www.doctrine-project.org>. |
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*/ |
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namespace Doctrine\ORM\Query\AST\Functions; |
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use Doctrine\DBAL\Types\Type; |
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use Doctrine\ORM\Query\AST\PathExpression; |
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use Doctrine\ORM\Query\AST\TypedExpression; |
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use Doctrine\ORM\Query\Lexer; |
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use Doctrine\ORM\Query\Parser; |
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use Doctrine\ORM\Query\SqlWalker; |
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use Doctrine\ORM\Query\QueryException; |
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/** |
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* "IDENTITY" "(" SingleValuedAssociationPathExpression {"," string} ")" |
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* |
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* |
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* @link www.doctrine-project.org |
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* @since 2.2 |
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* @author Guilherme Blanco <[email protected]> |
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* @author Benjamin Eberlei <[email protected]> |
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*/ |
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class IdentityFunction extends FunctionNode implements TypedExpression |
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{ |
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/** @var PathExpression */ |
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public $pathExpression; |
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/** @var string */ |
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public $fieldMapping; |
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/** @var string */ |
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private $type; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSql(SqlWalker $sqlWalker) |
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{ |
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$platform = $sqlWalker->getEntityManager()->getConnection()->getDatabasePlatform(); |
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$quoteStrategy = $sqlWalker->getEntityManager()->getConfiguration()->getQuoteStrategy(); |
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$dqlAlias = $this->pathExpression->identificationVariable; |
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$assocField = $this->pathExpression->field; |
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$qComp = $sqlWalker->getQueryComponent($dqlAlias); |
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$class = $qComp['metadata']; |
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$assoc = $class->associationMappings[$assocField]; |
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$targetEntity = $sqlWalker->getEntityManager()->getClassMetadata($assoc['targetEntity']); |
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$joinColumn = reset($assoc['joinColumns']); |
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if ($this->fieldMapping !== null) { |
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if ( ! isset($targetEntity->fieldMappings[$this->fieldMapping])) { |
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throw new QueryException(sprintf('Undefined reference field mapping "%s"', $this->fieldMapping)); |
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} |
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$field = $targetEntity->fieldMappings[$this->fieldMapping]; |
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$this->type = $field['type']; |
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$joinColumn = null; |
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foreach ($assoc['joinColumns'] as $mapping) { |
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if ($mapping['referencedColumnName'] === $field['columnName']) { |
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$joinColumn = $mapping; |
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break; |
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} |
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} |
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if ($joinColumn === null) { |
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throw new QueryException(sprintf('Unable to resolve the reference field mapping "%s"', $this->fieldMapping)); |
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} |
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} else { |
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$this->type = $targetEntity->fieldMappings[$targetEntity->getSingleIdentifierFieldName()]['type']; |
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} |
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// The table with the relation may be a subclass, so get the table name from the association definition |
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$tableName = $sqlWalker->getEntityManager()->getClassMetadata($assoc['sourceEntity'])->getTableName(); |
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$tableAlias = $sqlWalker->getSQLTableAlias($tableName, $dqlAlias); |
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$columnName = $quoteStrategy->getJoinColumnName($joinColumn, $targetEntity, $platform); |
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return $tableAlias . '.' . $columnName; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(Parser $parser) |
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{ |
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$parser->match(Lexer::T_IDENTIFIER); |
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$parser->match(Lexer::T_OPEN_PARENTHESIS); |
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$this->pathExpression = $parser->SingleValuedAssociationPathExpression(); |
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if ($parser->getLexer()->isNextToken(Lexer::T_COMMA)) { |
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$parser->match(Lexer::T_COMMA); |
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$parser->match(Lexer::T_STRING); |
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$this->fieldMapping = $parser->getLexer()->token['value']; |
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} |
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$parser->match(Lexer::T_CLOSE_PARENTHESIS); |
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} |
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public function getReturnType() : Type |
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{ |
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return Type::getType($this->type); |
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} |
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} |
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doctrine /
orm
