Hello First, I must recommend that you use django-taggit, simpletag or any other tagging app, otherwise you'll just be reinventing the wheel.
As for your question, you should read the aggregation docs. I don't have the link handy, but this should be correct: http://django.me/aggregation Sincerely, Andre Terra On 7/3/11, Jonas Geiregat <jo...@geiregat.org> wrote: > Hello, > > I have the following models > > class Book(models.Model): > author = models.ManyToManyField(Author) > pub_date = models.DateTimeField() > ... > > class Author(models.Model): > tag = models.ManyToManyField(Tag) > > class Tag(models.Model): > name = models.CharField(max_length=20) > > What I want to query for is: > > The most used Tags (and their count) for all books who's pub_date is greater > then today. > > I can solve the last part > Book.objects.filter(pub_date__gt=datetime.date.today()) > > But how do I count all the tags for all these books ? > > Jonas Geiregat > jo...@geiregat.org > > > > > > -- > 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. > > -- Sent from my mobile device -- 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.
