forked from yiisoft/yii2
/
ExistsConditionBuilder.php
42 lines (35 loc) · 1.14 KB
/
ExistsConditionBuilder.php
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\db\conditions;
use yii\db\ExpressionBuilderInterface;
use yii\db\ExpressionBuilderTrait;
use yii\db\ExpressionInterface;
/**
* 类 ExistsConditionBuilder 构建 [[ExistsCondition]] 类的对象
*
* @author Dmytro Naumenko <d.naumenko.a@gmail.com>
* @since 2.0.14
*/
class ExistsConditionBuilder implements ExpressionBuilderInterface
{
use ExpressionBuilderTrait;
/**
* 从不会被额外转义或引用的 $expression 接口
* 构建原始 SQL 语句的方法。
*
* @param ExpressionInterface|ExistsCondition $expression 要构建的表达式。
* @param array $params 绑定参数。
* @return string 不会被额外转义或引用的原始 SQL 语句。
*/
public function build(ExpressionInterface $expression, array &$params = [])
{
$operator = $expression->getOperator();
$query = $expression->getQuery();
$sql = $this->queryBuilder->buildExpression($query, $params);
return "$operator $sql";
}
}