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Class yii\db\conditions\ExistsCondition

Inheritanceyii\db\conditions\ExistsCondition
Implementsyii\db\conditions\ConditionInterface
Available since version2.0.14
Source Code https://github.com/yiisoft/yii2/blob/master/framework/db/conditions/ExistsCondition.php

Condition that represents EXISTS operator.

Method Details

Hide inherited methods

__construct() public method

ExistsCondition constructor.

public mixed __construct ( string $operator, yii\db\Query $query )
$operator string

The operator to use (e.g. EXISTS or NOT EXISTS)

$query yii\db\Query

The yii\db\Query object representing the sub-query.

 public function __construct($operator, $query)
{
 $this->operator = $operator;
 $this->query = $query;
}
fromArrayDefinition() public static method

Creates object by array-definition as described in Query Builder – Operator format guide article.

public static static fromArrayDefinition ( mixed $operator, mixed $operands )
$operator mixed

Operator in uppercase.
$operands mixed

Array of corresponding operands
throws yii\base\InvalidParamException

if input parameters are not suitable for this condition

 

 public static function fromArrayDefinition($operator, $operands)
{
 if (!isset($operands[0]) || !$operands[0] instanceof Query) {
 throw new InvalidArgumentException('Subquery for EXISTS operator must be a Query object.');
 }
 return new static($operator, $operands[0]);
}
getOperator() public method

public string getOperator ( )

 public function getOperator()
{
 return $this->operator;
}
getQuery() public method

public yii\db\Query getQuery ( )

 public function getQuery()
{
 return $this->query;
}