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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\Persisters; |
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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\Value; |
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use Doctrine\Common\Collections\Expr\CompositeExpression; |
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/** |
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* Extract the values from a criteria/expression |
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* |
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* @author Benjamin Eberlei <[email protected]> |
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*/ |
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class SqlValueVisitor 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 $values = []; |
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/** |
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* @var array |
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*/ |
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private $types = []; |
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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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* @param \Doctrine\Common\Collections\Expr\Comparison $comparison |
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* |
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* @return mixed |
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*/ |
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public function walkComparison(Comparison $comparison) |
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{ |
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$value = $this->getValueFromComparison($comparison); |
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$field = $comparison->getField(); |
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$operator = $comparison->getOperator(); |
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if (($operator === Comparison::EQ || $operator === Comparison::IS) && $value === null) { |
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return; |
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} else if ($operator === Comparison::NEQ && $value === null) { |
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return; |
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} |
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$this->values[] = $value; |
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$this->types[] = [$field, $value]; |
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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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* @param \Doctrine\Common\Collections\Expr\CompositeExpression $expr |
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* |
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* @return mixed |
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*/ |
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public function walkCompositeExpression(CompositeExpression $expr) |
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{ |
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foreach ($expr->getExpressionList() as $child) { |
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$this->dispatch($child); |
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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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* @param \Doctrine\Common\Collections\Expr\Value $value |
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* |
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* @return mixed |
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*/ |
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public function walkValue(Value $value) |
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{ |
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return; |
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} |
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/** |
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* Returns the Parameters and Types necessary for matching the last visited expression. |
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* |
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* @return array |
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*/ |
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public function getParamsAndTypes() |
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{ |
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return [$this->values, $this->types]; |
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} |
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/** |
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* Returns the value from a Comparison. In case of a CONTAINS comparison, |
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* the value is wrapped in %-signs, because it will be used in a LIKE clause. |
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* |
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* @param \Doctrine\Common\Collections\Expr\Comparison $comparison |
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* @return mixed |
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*/ |
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protected function getValueFromComparison(Comparison $comparison) |
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{ |
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$value = $comparison->getValue()->getValue(); |
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switch ($comparison->getOperator()) { |
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case Comparison::CONTAINS: |
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return "%{$value}%"; |
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case Comparison::STARTS_WITH: |
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return "{$value}%"; |
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case Comparison::ENDS_WITH: |
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return "%{$value}"; |
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default: |
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return $value; |
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} |
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} |
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} |
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doctrine /
orm
