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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; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Collections\Expr\ExpressionVisitor; |
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use Doctrine\Common\Collections\Expr\Comparison; |
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use Doctrine\Common\Collections\Expr\CompositeExpression; |
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use Doctrine\Common\Collections\Expr\Value; |
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/** |
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* Converts Collection expressions to Query expressions. |
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* |
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* @author Kirill chEbba Chebunin <[email protected]> |
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* @since 2.4 |
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*/ |
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class QueryExpressionVisitor extends ExpressionVisitor |
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{ |
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/** |
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* @var array |
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*/ |
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private static $operatorMap = [ |
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Comparison::GT => Expr\Comparison::GT, |
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Comparison::GTE => Expr\Comparison::GTE, |
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Comparison::LT => Expr\Comparison::LT, |
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Comparison::LTE => Expr\Comparison::LTE |
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]; |
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/** |
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* @var array |
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*/ |
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private $queryAliases; |
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/** |
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* @var Expr |
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*/ |
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private $expr; |
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/** |
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* @var array |
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*/ |
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private $parameters = []; |
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/** |
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* Constructor |
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* |
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* @param array $queryAliases |
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*/ |
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36 |
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public function __construct($queryAliases) |
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{ |
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$this->queryAliases = $queryAliases; |
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$this->expr = new Expr(); |
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} |
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/** |
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* Gets bound parameters. |
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* Filled after {@link dispach()}. |
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* |
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* @return \Doctrine\Common\Collections\Collection |
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*/ |
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public function getParameters() |
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{ |
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return new ArrayCollection($this->parameters); |
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} |
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/** |
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* Clears parameters. |
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* |
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* @return void |
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*/ |
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1 |
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public function clearParameters() |
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{ |
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$this->parameters = []; |
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1 |
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} |
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/** |
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* Converts Criteria expression to Query one based on static map. |
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* |
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* @param string $criteriaOperator |
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* |
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* @return string|null |
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*/ |
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private static function convertComparisonOperator($criteriaOperator) |
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{ |
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return isset(self::$operatorMap[$criteriaOperator]) ? self::$operatorMap[$criteriaOperator] : null; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function walkCompositeExpression(CompositeExpression $expr) |
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{ |
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10 |
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$expressionList = []; |
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foreach ($expr->getExpressionList() as $child) { |
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$expressionList[] = $this->dispatch($child); |
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} |
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10 |
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switch($expr->getType()) { |
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case CompositeExpression::TYPE_AND: |
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return new Expr\Andx($expressionList); |
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1 |
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case CompositeExpression::TYPE_OR: |
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return new Expr\Orx($expressionList); |
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default: |
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throw new \RuntimeException("Unknown composite " . $expr->getType()); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function walkComparison(Comparison $comparison) |
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{ |
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if ( ! isset($this->queryAliases[0])) { |
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throw new QueryException('No aliases are set before invoking walkComparison().'); |
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} |
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$field = $this->queryAliases[0] . '.' . $comparison->getField(); |
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foreach($this->queryAliases as $alias) { |
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if(strpos($comparison->getField() . '.', $alias . '.') === 0) { |
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$field = $comparison->getField(); |
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break; |
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} |
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} |
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$parameterName = str_replace('.', '_', $comparison->getField()); |
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foreach ($this->parameters as $parameter) { |
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if ($parameter->getName() === $parameterName) { |
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$parameterName .= '_' . count($this->parameters); |
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break; |
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} |
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} |
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$parameter = new Parameter($parameterName, $this->walkValue($comparison->getValue())); |
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$placeholder = ':' . $parameterName; |
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switch ($comparison->getOperator()) { |
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case Comparison::IN: |
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$this->parameters[] = $parameter; |
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return $this->expr->in($field, $placeholder); |
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case Comparison::NIN: |
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1 |
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$this->parameters[] = $parameter; |
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1 |
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return $this->expr->notIn($field, $placeholder); |
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case Comparison::EQ: |
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case Comparison::IS: |
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if ($this->walkValue($comparison->getValue()) === null) { |
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return $this->expr->isNull($field); |
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} |
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$this->parameters[] = $parameter; |
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return $this->expr->eq($field, $placeholder); |
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case Comparison::NEQ: |
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if ($this->walkValue($comparison->getValue()) === null) { |
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return $this->expr->isNotNull($field); |
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} |
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$this->parameters[] = $parameter; |
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return $this->expr->neq($field, $placeholder); |
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case Comparison::CONTAINS: |
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$parameter->setValue('%' . $parameter->getValue() . '%', $parameter->getType()); |
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$this->parameters[] = $parameter; |
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return $this->expr->like($field, $placeholder); |
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case Comparison::MEMBER_OF: |
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return $this->expr->isMemberOf($comparison->getField(), $comparison->getValue()->getValue()); |
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case Comparison::STARTS_WITH: |
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$parameter->setValue($parameter->getValue() . '%', $parameter->getType()); |
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$this->parameters[] = $parameter; |
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return $this->expr->like($field, $placeholder); |
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case Comparison::ENDS_WITH: |
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$parameter->setValue('%' . $parameter->getValue(), $parameter->getType()); |
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$this->parameters[] = $parameter; |
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return $this->expr->like($field, $placeholder); |
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default: |
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$operator = self::convertComparisonOperator($comparison->getOperator()); |
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if ($operator) { |
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$this->parameters[] = $parameter; |
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return new Expr\Comparison( |
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$field, |
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$operator, |
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$placeholder |
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); |
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} |
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throw new \RuntimeException("Unknown comparison operator: " . $comparison->getOperator()); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function walkValue(Value $value) |
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{ |
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return $value->getValue(); |
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} |
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} |
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doctrine /
orm
