Sorry for duplication use this post http://groups.google.com/group/google-appengine/browse_thread/thread/8e40a5dd298bfab4#
On Apr 17, 1:57 pm, buger <leons...@gmail.com> wrote: > When i'm trying simply get some objects from db i getting error: > > videos = Video.all().fetch(100) > File "/base/python_lib/versions/1/google/appengine/ext/db/ > __init__.py", line 1391, in fetch > return map(self._model_class.from_entity, raw) > File "/base/python_lib/versions/1/google/appengine/ext/db/ > __init__.py", line 997, in from_entity > instance = cls(None, _from_entity=True, **entity_values) > File "/base/python_lib/versions/1/google/appengine/ext/db/ > __init__.py", line 596, in __init__ > prop.__set__(self, value) > File "/base/python_lib/versions/1/google/appengine/ext/db/ > __init__.py", line 2581, in __set__ > value = self.validate(value) > File "/base/python_lib/versions/1/google/appengine/ext/db/ > __init__.py", line 2611, in validate > if value is not None and not value.has_key(): > AttributeError: 'unicode' object has no attribute 'has_key' > > It happened after i made some changes in my model properties, and just > trying to migrate data to new schema. > And why Get() method checks required option of property? If i had old > objects with such property with Null value, before i set require > option, i can no get this object after update, because i'll have error > required field error. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---