public static function deleteWhere($condition = "", array $conditionParams = [])
	{
		$tableName = static::tableName();
		
		if (empty($condition))
			return Db::query("delete from $tableName", [], static::getDbName(), false);
		else
			return Db::query("
				delete from $tableName
				where $condition
			", $conditionParams, static::getDbName(), false);
	}