def update(self, other):
    for filter, value in other.items():
      self.__setitem__(filter, value)
If some of the models are in the DB, return matching models.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/api/datastore.py/Query.update--crossover with--dataset/ETHPy150Open django-nose/django-nose/unittests/test_databases.py/GetModelsForConnectionTests.test_some_models