Symfony Oracle

doctrine.yaml

arameters:
    # Adds a fallback DATABASE_URL if the env var is not set. This allows you
    # to run cache:warmup even if your environment variables are not available
    # yet. You should not need to change this value.
    env(DATABASE_URL): ''

services:
    oracle.listener:
        class: App\EventSubscriber\OracleSessionInitSubscriber
        tags:
            - { name: doctrine.event_listener, event: postConnect }

doctrine:
    dbal:
        url: '%env(resolve:DATABASE_URL)%'

        # IMPORTANT: when not use SQLite, you MUST configure your db driver and
        # server version, either here or in the DATABASE_URL env var (see .env file)
        # driver: 'pdo_sqlite'
        # server_version: '3.15'

        # Only needed for MySQL (ignored otherwise)
        # charset: utf8mb4
        # default_table_options:
        #     collate: utf8mb4_unicode_ci
        charset: 'AL32UTF8'

OracleSessionInitSubscriber.php

<?php

namespace App\EventSubscriber;

use Doctrine\DBAL\Event\ConnectionEventArgs;
use Doctrine\DBAL\Event\Listeners\OracleSessionInit;

class OracleSessionInitSubscriber extends OracleSessionInit
{
    public function postConnect(ConnectionEventArgs $args)
    {
        if ($args->getConnection()->getDatabasePlatform()->getName() === 'oracle') {
            parent::postConnect($args);
        }
    }
}