Just refer to the field name, you don't need the class: prev = self.bbb_set.filter(date__lt=date)
Take a look to field lookup rules: http://docs.djangoproject.com/en/dev/topics/db/queries/#field-lookups-intro Excerpts from serek's message of Wed Feb 16 20:51:05 -0200 2011: > Hi > > I have not idea how to describe my problem, so I show pice of code: > > > class Aaa(models.Model): > name = models.CharField(max_length=200, unique=True) > is_active = models.BooleanField() > > class Meta: > ordering = ('name',) > > def doMagic(self): > date = '2010-05-04' > //here I need to take 10 conencted Bbb objects whcich data is less > then date > previous10days = self.bbb_set.filter(Bbb.date < > date).order_by('data') > > > class Bbb(models.Model): > date = models.DateField() > value = models.DecimalField(max_digits=7, decimal_places=2) > aaa = models.ForeignKey(Aaa) > > a = Aaa() > a.doMagic throw error that Bbb.date is undefined - what can be wrong? > -- MatÃas Aguirre <matiasagui...@gmail.com> -- 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.