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<?php
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namespace yii\db\conditions;
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use yii\db\ExpressionBuilderInterface;
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use yii\db\ExpressionBuilderTrait;
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use yii\db\ExpressionInterface;
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/**
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* Class ExistsConditionBuilder builds objects of [[ExistsCondition]]
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*
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* @author Dmytro Naumenko <d.naumenko.a@gmail.com>
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* @since 2.0.14
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*/
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class ExistsConditionBuilder implements ExpressionBuilderInterface
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{
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use ExpressionBuilderTrait;
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/**
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* Method builds the raw SQL from the $expression that will not be additionally
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* escaped or quoted.
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*
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* @param ExpressionInterface|ExistsCondition $expression the expression to be built.
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* @param array $params the binding parameters.
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* @return string the raw SQL that will not be additionally escaped or quoted.
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*/
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public function build(ExpressionInterface $expression, array &$params = [])
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{
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$operator = $expression->getOperator();
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$query = $expression->getQuery();
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$sql = $this->queryBuilder->buildExpression($query, $params);
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return "$operator $sql";
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}
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}
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