View file vendor/doctrine/dbal/src/Driver/PDO/PDOException.php

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Driver\PDO;

use Doctrine\DBAL\Driver\Exception as DriverException;

/**
 * @internal
 *
 * @psalm-immutable
 */
final class PDOException extends \PDOException implements DriverException
{
    private ?string $sqlState = null;

    public static function new(\PDOException $previous): self
    {
        $exception = new self($previous->message, 0, $previous);

        $exception->errorInfo = $previous->errorInfo;
        $exception->code      = $previous->code;
        $exception->sqlState  = $previous->errorInfo[0] ?? null;

        return $exception;
    }

    public function getSQLState(): ?string
    {
        return $this->sqlState;
    }
}