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<?php |
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declare(strict_types=1); |
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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\Collection; |
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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 RuntimeException; |
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use function count; |
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use function str_replace; |
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use function strpos; |
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/** |
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* Converts Collection expressions to Query expressions. |
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*/ |
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class QueryExpressionVisitor extends ExpressionVisitor |
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{ |
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/** @var string[] */ |
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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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/** @var string[] */ |
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private $queryAliases; |
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/** @var Expr */ |
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private $expr; |
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/** @var mixed[] */ |
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private $parameters = []; |
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/** |
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* @param string[] $queryAliases |
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*/ |
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public function __construct($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 Collection|mixed[] |
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*/ |
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public function getParameters() |
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{ |
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return new ArrayCollection($this->parameters); |
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} |
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/** |
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* Clears parameters. |
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*/ |
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public function clearParameters() |
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{ |
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$this->parameters = []; |
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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 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 $expr) |
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{ |
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$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 ($expr->getType()) { |
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case CompositeExpression::TYPE_AND: |
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return new Expr\Andx($expressionList); |
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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('.', '_', $comparison->getField()); |
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$parameterCount = count($this->parameters); |
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foreach ($this->parameters as $parameter) { |
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if ($parameter->getName() === $parameterName) { |
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$parameterName .= '_' . $parameterCount; |
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break; |
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} |
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} |
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$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, $placeholder); |
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case Comparison::NIN: |
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$this->parameters[] = $parameter; |
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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, $placeholder); |
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case Comparison::STARTS_WITH: |
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$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
