On 5 Feb, 21:21, Peter Herndon <tphern...@gmail.com> wrote: > Never forget, Django is Python. One way to do what you need would be to > implement the __cmp__ special method on your Computer class. Then, if you > make e.g. a list out of the results of your QuerySet, you can call sort() on > the list, and you're done. > > The downside is that you need to make a list of your QuerySet, which may > require quite a bit of memory, depending on the number of objects returned. > > The reason you can't order_by something that's not in the database is that > the order_by method is SQL and is executed in the database as part of the > query. The reason you can't sort() a queryset is that it's a generator, not > a list, so it only lazily instantiates your model objects. >
Just the ticket. Many thanks Peter. I was doing a list comprehension along the lines of list = [ x for x in Computer.objects.all() ] which seemed to work, but your __cmp__ method looks much nicer. -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@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.
