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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Persisters; |
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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\ExpressionVisitor; |
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use Doctrine\Common\Collections\Expr\Value; |
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use Doctrine\ORM\Mapping\AssociationMetadata; |
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use Doctrine\ORM\Mapping\ClassMetadata; |
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use Doctrine\ORM\Persisters\Entity\BasicEntityPersister; |
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use RuntimeException; |
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use function implode; |
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use function in_array; |
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use function is_object; |
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/** |
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* Visit Expressions and generate SQL WHERE conditions from them. |
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*/ |
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class SqlExpressionVisitor extends ExpressionVisitor |
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{ |
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/** @var BasicEntityPersister */ |
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private $persister; |
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/** @var ClassMetadata */ |
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private $classMetadata; |
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public function __construct(BasicEntityPersister $persister, ClassMetadata $classMetadata) |
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{ |
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$this->persister = $persister; |
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$this->classMetadata = $classMetadata; |
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} |
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/** |
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* Converts a comparison expression into the target query language output. |
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* |
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* @return mixed |
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*/ |
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public function walkComparison(Comparison $comparison) |
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{ |
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$field = $comparison->getField(); |
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$value = $comparison->getValue()->getValue(); // shortcut for walkValue() |
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$property = $this->classMetadata->getProperty($field); |
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if ($property instanceof AssociationMetadata && |
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$value !== null && |
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! is_object($value) && |
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! in_array($comparison->getOperator(), [Comparison::IN, Comparison::NIN], true)) { |
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throw MatchingAssociationFieldRequiresObject::fromClassAndAssociation( |
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1 |
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$this->classMetadata->getClassName(), |
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$field |
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); |
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} |
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return $this->persister->getSelectConditionStatementSQL($field, $value, null, $comparison->getOperator()); |
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} |
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/** |
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* Converts a composite expression into the target query language output. |
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* |
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* @return mixed |
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* |
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* @throws RuntimeException |
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*/ |
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public function walkCompositeExpression(CompositeExpression $expr) |
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{ |
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$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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switch ($expr->getType()) { |
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case CompositeExpression::TYPE_AND: |
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return '(' . implode(' AND ', $expressionList) . ')'; |
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case CompositeExpression::TYPE_OR: |
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return '(' . implode(' OR ', $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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* Converts a value expression into the target query language part. |
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* |
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* @return mixed |
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*/ |
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public function walkValue(Value $value) |
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{ |
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return '?'; |
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} |
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} |
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doctrine /
orm
