Tim Chase wrote: >> The idea here is to have a central join table to allow many to >> many relationships between any and all of the "object" tables >> rather than have a zillion join tables and a rigid structure. >> This allows me to add object tables easily down the road since >> that will probably be necessary. > > It's uncommon to do this with a many-to-many relation like your > join table would produce. However, it's common enough to include > a "generic relation" that Django hands a generic one-to-many to > you on a platter via the content-types framework: > > http://docs.djangoproject.com/en/dev/ref/contrib/contenttypes/ > http://www.djangoproject.com/documentation/models/generic_relations/ > > In theory, one could just have one join table object and then > have 2 generic-relations: > > from django.db.models import Model > from django.contrib.contenttypes import generic > class Foo(Model): > a = generic.GenericForeignKey() > b = generic.GenericForeignKey() > > > I haven't explored content-types lately (like since early 0.96), > but I remember there being some small problem early on with a > little fragility in content-types -- something do with > model-renaming or fixture dump/reload (perhaps in the context of > switching databases?). I'd have to dig through the code and Trac > cases to see if those have been resolved...most likely they have.
The example of the "Comparison" Model in the second link is, at first glance, *exactly* what I am looking to do. I think I'm going to dig in tomorrow and experiment with this configuration, but it looks like this will be perfect for my needs. Thanks for the help, Jay -- Jay Deiman \033:wq! --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
