On Thu, Apr 23, 2009 at 2:50 PM, Michel Thadeu Sabchuk <miche...@gmail.com>wrote:
> > Hi guys, > > I'm loooking for a way to update only one field when changing a model. > I started from: > > object = get_object_or_404(SomeModel) > object.hits += 1 > object.save() > > I using django1.1. I saw there is a ticket talking about this: > > http://code.djangoproject.com/ticket/4102 > > And a snippet too: > > http://www.djangosnippets.org/snippets/479/ > > But I want to know if there is a better way. I'm trying: > > object = get_object_or_404(SomeModel) > SomeModel.objects.filter(id=object.id).update(hits=object.hits+1) > object.save() > > This way I do what I want but, is this the better approach? > > Do I need to worry about performance at this point or an update method > over all fields of a model aren't so bad? > > Best regards, > > > In Django 1.1 you can do: Model.objects.filter(pk=z).update(hits=F('hits')+1) Which will be atomic at the DB level. Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
