I have a model set up thusly:
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
Item(models.Model):
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
object = generic.GenericForeignKey()
If I try to perform queries in the format
Item.objects.filter(object=some-object), I raise a FieldError: "Cannot
resolve keyword 'object' into field". But if I have some instance of
Item and I call item-instance.object, it returns the object correctly.
Is this a behavioral malfunction, or are Generic ForeignKeys not meant
to be used in database queries? If they are not, is there any real
advantage to having one?
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