#30518: Multiple Count annotation with filter doesn't work properly (at least if related modelas has same named fileds) -------------------------------------+------------------------------------- Reporter: farin | Owner: nobody Type: Bug | Status: new Component: Database | Version: 2.2 layer (models, ORM) | Severity: Normal | Keywords: annotate Triage Stage: | Has patch: 0 Unreviewed | Needs documentation: 0 | Needs tests: 0 Patch needs improvement: 0 | Easy pickings: 0 UI/UX: 0 | -------------------------------------+------------------------------------- Lets have following models
{{{ class User(models.Model): pass class Subscription(models.Model): user = models.ForeignKey(User, models.CASCADE) valid_to = models.DateTimeField() class SubscriptionToAuthor(models.Model): user = models.ForeignKey(User, models.CASCADE) valid_to = models.DateTimeField() }}} then annotate on only one related model works fine {{{ # this is ok User.objects.annotate( subscribed_authors=Count('subscriptiontoauthor', filter=Q(subscriptiontoauthor__valid_to__gt=now)) ) }}} or {{{ # this is ok User.objects.annotate( subscribed_newspapers=Count('subscription', filter=Q(subscription__valid_to__gt=now)) ) }}} but Count returns incorrect (too big) count numbers when both annotations are used on single query set {{{ # wrong result User.objects.annotate( subscribed_authors=Count('subscriptiontoauthor', filter=Q(subscriptiontoauthor__valid_to__gt=now)) ).annotate( subscribed_newspapers=Count('subscription', filter=Q(subscription__valid_to__gt=now)) ) }}} -- Ticket URL: <https://code.djangoproject.com/ticket/30518> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/048.ecf7791756af17a0a65773c7a68b950b%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.