On 01/11/06, Gábor Farkas <[EMAIL PROTECTED]> wrote: > > samuel wrote: > >>> I'm probably just not seeing it, but how do I go about getting the > >>> index of an item in a query set? I.E., this article is the Xth article > >>> in this queryset of articles sorted by date. > >> If you're looping through them in the template with the 'for' tag, > >> each time through the loop you'll have access to a variable called > >> 'forloop.counter' which has this information; the first time through > >> it will be 1, the second time it will be 2, and so on. > >> > >> See http://www.djangoproject.com/documentation/templates/#for for details. > >> > > > > Thanks but I guess I'm looking for something a bit different. Here's > > exactly what I'm trying to do: I have articles that are chunked into > > groups of 10 arbitrarily based on their date. So when a new article is > > added the groups change. When you go to an article page, I want to > > display the chunk that the article belongs to. So if the article is > > 19th, display a list of articles 11-20. > > > > If I'm thinking through this correctly, I need to know the articles > > location in the queryset before I get to the template and then slice > > the queryset as necessary. How would I go about this? Just iterate > > through and backtrack when I get there? > > > > if the number of articles is not too high, then simply generate their > number in the view... like: > > queryset = Article.objects.all() > > items = list(enumerate(queryset)) > > which is basically the same as: > > items = zip (range(queryset.count()), queryset) > > or, if you want it 1-based and not 0-based: > > items = zip (range(1,queryset.count()+1), queryset) > > the problem with these is that it fetches all the article-objects.
Since the only way to do this is programmatically in python it might be better to use raw sql for this instead. > > gabor > > > > -- http://grimboy.co.uk --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users -~----------~----~----~----~------~----~------~--~---
