public static function queryByTypeParent( $parentId, $parentType, $type ) {

		$tableName = static::tableName();

		return self::queryWithModel()->where( "$tableName.parentId=:pid AND $tableName.parentType=:ptype AND $tableName.type=:type", [ ':pid' => $parentId, ':ptype' => $parentType, ':type' => $type ] );
	}