MysqliConnection::biQuery

public function biQuery($sql)
{
	$this->biMode = true;

	try
	{
		$result = parent::query($sql);
	}
	catch (BitrixMainDBSqlQueryException $_)
	{
		$this->biMode = false;
		return false;
	}

	$this->biMode = false;
	return $result;
}