On Fri, Jan 2, 2009 at 11:57 PM, Mathieu Steele <mathieuste...@gmail.com> wrote: > Here is an example of the data model for the type of filter I would > like to do: > > class Student > name > > class Absence > foreign key Student > date > > Is there a way to filter Students with no absences? > > something like Student.objects.filter(absence_set__count=0)
CMIIW, but I think something like this should work: Student.objects.filter(absence__isnull=False) Ronny --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---