feat: add TIMESTAMP and TIME precision

[vencakrecl]

Q	A
Type	feature
Fixed issues

Summary

Added support for precision for PostgreSQL TIMESTAMP and TIME. It would be nice to have this feature per column but it is impossible with the current implementation of datetime types.

How to use:

<?php

declare(strict_types=1);

namespace App\Doctrine;

use Doctrine\Bundle\DoctrineBundle\Attribute\AsMiddleware;
use Doctrine\DBAL\Driver;
use Doctrine\DBAL\Driver\Middleware;
use Doctrine\DBAL\Driver\Middleware\AbstractDriverMiddleware;
use Doctrine\DBAL\Platforms\PostgreSQLPlatform;

#[AsMiddleware]
class QueuesMiddleware implements Middleware
{
    public function wrap(Driver $driver): Driver
    {
        return new class extends AbstractDriverMiddleware {
            public function getDatabasePlatform(): PostgreSqlPlatform
            {
                $platform = new PostgreSqlPlatform();
                $platform->setTimestampPrecision(6);

                return $platform;
            }

            public function createDatabasePlatformForVersion($version): PostgreSqlPlatform
            {
                return $this->getDatabasePlatform();
            }
        };
    }
}

[derrabus]

Thank you. This feature has been attempted before. Please have a look at prior art in #5961 and #6393.

My main issues with your PR so far:

• It's Postgres-only although other DBMS support this feature in some shape or form as well.
• Zero functional tests. We need tests that include actual databases or we'll never know if your feature works.

[derrabus]

Closing due to lack of feedback.