It would be nice to have some config entry for using Doctrine\DBAL\Types\Type::overrideType().

Currently the config entry:
doctrine.dbal.connections.next.types.TYPE = CLASSNAME
will add the type using Doctrine\DBAL\Types\Type::addType().

The small patch below will use overrideType() if the type already exists, and addType() if not.
This eliminates the need for an additional config entry (it is sufficient for me, but I'm not sure others will like it).

435c435,439
<             Type::addType($name, $className);

---
>             if (Type::hasType($name)) {
>                 Type::overrideType($name, $className);
>             } else {
>                 Type::addType($name, $className);
>             }

Thanx!