PlatformGetNameToInstanceofRector

Change $platform->getName() === "postgresql" to $platform instanceof PostgreSQLPlatform, following the DBAL 3.2 deprecation of AbstractPlatform::getName(), see https://github.com/doctrine/dbal/pull/4755

-if ('postgresql' === $this->platform->getName()) {}
+if ($this->platform instanceof \Doctrine\DBAL\Platforms\PostgreSQLPlatform) {}

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Doctrine\Dbal32\Rector\Identical\PlatformGetNameToInstanceofRector;

return RectorConfig::configure()
    ->withRules([
        PlatformGetNameToInstanceofRector::class,
    ]);
PACKAGE:  doctrine/dbal >= 3.2

Other rules in the doctrine/dbal set