On Aug 16, 3:17 am, bruno desthuilliers
<bruno.desthuilli...@gmail.com> wrote:
>
> Of course. As the error message says, 'c' is here a queryset, not a
> model object. If you want to retrieve a single model object, you have
> to use manager.get, not manager.filter, ie:
Sorry about that brain fart - of course you're right - I just needed
get() instead of filter() there. Must have been late :)
> You won't be able to do this in a single SQL query. A Q&D solution
> might be:
>
> def recent_comments(request):
> comments = Comment.objects.all().order_by('-id')
> recent_comments = []
> for comment in comments:
> if len(recent_comments) == 6: # XXX hardcoded, that's bad
> break
> content = comment.content_object()
> try:
> if content.publish:
> recent_comments.append(comment)
> except AttributeError
> # content has no 'publish' attribute
> pass
> return dict(recent_comments=recent_comments)
I almost did get it down to a single query, but custom Model Managers
on the related content_object made things even more complicated, so I
settled on a custom list much like your example instead, which works
nicely. Thanks much!
./s
--
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.
