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
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