doctrine/DoctrineModule — pull request #71 by micheh (2012-07-27 09:10:56+00:00)
Title: [Hydrator] Allow nullable associations

This is a fix to allow associations to be null.

With the previous implementation a `Doctrine\ORM\ORMException::missingIdentifierField` is thrown, as the method `Doctrine\Common\Persistence\ObjectManager::find` is called with null.