On Tue, Oct 20, 2009 at 8:21 PM, Михаил Лукин <mihail.lu...@googlemail.com> wrote: > There is three ways to select NULL records from table with Django ORM: > > 1. Model.objects.filter(field=None) > 2. Model.objects.filter(field__exact=None) > 3. Model.objects.filter(field__isnull=True) > > They all seem to work. > Which is the best way and why?
These three queries are all exactly the same, and if you look at the underlying SQL that is generated by these queries, you should find that they compile to the same result. The __exact and __isnull versions both exist for historical reasons. Yours, Russ Magee %-) --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
