> On Jan 27, 2016, at 5:15 AM, Michal Petrucha <[email protected]> > wrote: > > On Wed, Jan 27, 2016 at 11:58:23AM +0000, Jonty Needham wrote: >> I've found a need to do this and I'm struggling. Some info seems to >> indicate that django doesn't support this. How is it meant to be done? >> >> Basically to be clear, I need to filter one queryset on a reverse >> foriegnkey relation to another set of objects defined by a particualr >> filter. >> >> model1(Models.model): >> stuff = charfield >> >> model2(Models.model): >> cow = Foreignkey(model1) >> country = charfield >> >> >> Problem: filter set of model1's by a particular country that's related to >> model1 through model2 > > If I read the problem correctly, the following should solve it:: > > model1.objects.filter(model2__country=my_country) > > Cheers, > > Michal
You also might need to follow up with .distinct() https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.distinct Peter of the Norse [email protected] -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/C8D0965D-3FEB-44CB-95ED-B913C1497244%40Radio1190.org. For more options, visit https://groups.google.com/d/optout.
