On Fri, May 15, 2009 at 12:08 PM, Rusty Greer <gr...@greer.org> wrote:
> > > On Fri, May 15, 2009 at 9:57 AM, George Song <geo...@damacy.net> wrote: > >> >> On 5/15/2009 8:18 AM, Rusty Greer wrote: >> > >> > >> > I have something like this: >> > >> > class Class1(models.Model): >> > // lots of fields here >> > >> > class AbstractThing(models.Model): >> > // lots of fields here >> > class1field = model.ForeignKey(Class1) >> > class Meta: >> > abstract = True >> > >> > class ThingType1(AbstractThing): >> > // lots of fields here >> > >> > class ThingType2(AbstractThing): >> > // lots of fields here >> > >> > >> > in my template, i want to be able to do something like: >> > class1.abstractthing_set.all >> > >> > but that doesn't seem to work, i seem to have to do: >> > class1.thingtype1_set.all and class1.thingtype2_set.all >> > >> > does this make sense? am i missing something? >> > >> > any help would be appreciated. >> >> The pattern you describe should work fine. What exactly isn't working? >> >> -- >> George >> >> > from within the template, class1.abstractthing_set.all returns nothing, > class1.thingtype1_set.all returns exactly what is expected > > from python code, class1.abstractthing_set.all gives me an AttributeError > > 'class1' object has no attribute 'abstractthing_set' > > > class1.thingtype1_set.all returns exactly what is expected > > i was hoping that the abstractthing_set would return all of the objects of > both thingtype1 and thingtype2 > > > > > An abstract model doesn't exist in the database, therefore trying to get objects for it doesn't make sense, you either need to use concrete inheritance or manually query the individual models. Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---