On Mar 5, 12:39 pm, Michael Radziej <m...@spieleck.de> wrote: > Hi Tim! > > On Sat, 5 Mar 2011 06:05:51 -0800 (PST), Tim <jtim.arn...@gmail.com> wrote: > > For me that looks a little complex. The 'sequence' doesn't really > > belong to the Chapter or the Book, but to their relationship. A > > Chapter may have one sequence number when part of Book A, and another > > for Book B. > > That's a classic example for a many-to-many relationship with additional > data. > > class Book(models.Model): > (...) > > class Chapter(models.Model): > (...) > book = models.ManyToManyField(through="BookChapter") > > class BookChapter(models.Model): > (...) > sequence = models.IntegerField > > You can find more info about the `through` parameter at: > > http://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.mod... > > Hope that helps, > > Michael
Hey Michael! thanks for that info. That definitely helps--it's exactly the solution I was looking for. thanks! --Tim -- 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.
