<?php declare(strict_types=1); namespace Doctrine\DBAL\Driver; use Throwable; /** * Contract for a driver exception. * * Driver exceptions provide the SQLSTATE of the driver * and the driver specific error code at the time the error occurred. * * @psalm-immutable */ interface Exception extends Throwable { /** * Returns the SQLSTATE the driver was in at the time the error occurred. * * Returns null if the driver does not provide a SQLSTATE for the error occurred. */ public function getSQLState(): ?string; }