Class yii\db\conditions\ExistsConditionBuilder

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Inheritance	yii\db\conditions\ExistsConditionBuilder
Implements	yii\db\ExpressionBuilderInterface
Uses Traits	yii\db\ExpressionBuilderTrait
Available since version	2.0.14
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/db/conditions/ExistsConditionBuilder.php

Class ExistsConditionBuilder builds objects of yii\db\conditions\ExistsCondition

Protected Properties

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Property	Type	Description	Defined By

Public Methods

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Method	Description	Defined By
__construct()	ExpressionBuilderTrait constructor.	yii\db\ExpressionBuilderTrait
build()	Method builds the raw SQL from the $expression that will not be additionally escaped or quoted.	yii\db\conditions\ExistsConditionBuilder

Method Details

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__construct() public method

Defined in: yii\db\ExpressionBuilderTrait::__construct()

ExpressionBuilderTrait constructor.

public void __construct ( yii\db\QueryBuilder $queryBuilder )
$queryBuilder	yii\db\QueryBuilder

Source code

                public function __construct(QueryBuilder $queryBuilder)
{
    $this->queryBuilder = $queryBuilder;
}

build() public method

Method builds the raw SQL from the $expression that will not be additionally escaped or quoted.

public string build ( yii\db\ExpressionInterface $expression, array &$params = [] )
$expression	yii\db\ExpressionInterface\|yii\db\conditions\ExistsCondition	The expression to be built.
$params	array	The binding parameters.
return	string	The raw SQL that will not be additionally escaped or quoted.

Source code

                public function build(ExpressionInterface $expression, array &$params = [])
{
    $operator = $expression->getOperator();
    $query = $expression->getQuery();
    $sql = $this->queryBuilder->buildExpression($query, $params);
    return "$operator $sql";
}