52 lines
1.3 KiB
PHP
52 lines
1.3 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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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 NotConditionBuilder builds objects of [[NotCondition]]
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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 NotConditionBuilder 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|NotCondition $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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$operand = $expression->getCondition();
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if ($operand === '') {
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return '';
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}
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$expession = $this->queryBuilder->buildCondition($operand, $params);
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return "{$this->getNegationOperator()} ($expession)";
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}
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/**
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* @return string
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*/
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protected function getNegationOperator()
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{
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return 'NOT';
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}
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}
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