Welcome! You might just want to incorporate the answer into the question model, and then do a boolean field for is_answered for quick reference. The thought of multiple answers for one question seems odd, and use of one-to-one fields isn't recommended, so i'd just keep it in one model l)
On Apr 12, 1:32 pm, Jim N <jim.nach...@gmail.com> wrote: > Yes! That's it! Thank you. > > On Apr 12, 1:21 pm, Nick Serra <nickse...@gmail.com> wrote: > > > > > You could query like this: > > > Question.objects.filter(answer__isnull=False) > > > This would give you a set of questions where an answer exists. Setting > > it to True would give you a set where answers don't exist. > > > On Apr 12, 12:20 pm, Jim N <jim.nach...@gmail.com> wrote: > > > > Just to clarify, I'm trying to filter questions that have an answer, > > > but I don't know the particular answer. I just want to determine > > > whether or not an answer object exists, with the foreign key of this > > > question. > > > > I could do > > > > Answer.objects.filter(question = my_question) > > > > but I am filtering questions on a number of parameters, such as text > > > of the question. > > > > Thanks, > > > Jim > > > > On Apr 12, 11:50 am, Jim N <jim.nach...@gmail.com> wrote: > > > > > Hi Djangoists, > > > > > I have a model "question" which has a one-to-many relationship with > > > > "answer". > > > > > class Question(models.Model): > > > > text = models.TextField() > > > > > class Answer(models.Model): > > > > text = models.TextField() > > > > question = models.ForeignKey(Question) > > > > > I can't figure out how to construct a filter that will give me > > > > > - just questions where there isn't an answer > > > > - just questions where there is an answer > > > > > Is this really easy and I'm just not seeing it? > > > > > Thanks, > > > > Jim -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@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.
