Add custom Doctrine Driver

[MAILPOET-3150]

lib/Doctrine/Driver/Driver.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace MailPoet\Doctrine\Driver;
+
+use MailPoetVendor\Doctrine\DBAL\DBALException;
+
+class Driver extends \MailPoetVendor\Doctrine\DBAL\Driver\PDOMySql\Driver {
+  public function connect(array $params, $username = null, $password = null, array $driverOptions = []) {
+    try {
+      $conn = new PDOConnection(
+        $this->constructPdoDsn($params),
+        $username,
+        $password,
+        $driverOptions
+      );
+    } catch (\PDOException $e) {
+      throw DBALException::driverException($this, $e);
+    }
+
+    return $conn;
+  }
+}