Paul, > then generic keys may be the way to go. If however, you are simply > having one of your own apps depend on another I strongly suggest not > using generic foreign keys, they have drawbacks that could hinder you > down the road.
I suppose you mean in terms of performance? Could you please elaborate on the disadvantages? Guillermo On Sep 27, 2:27 pm, pkenjora <pkenj...@gmail.com> wrote: > Guillermo, > > Having one application depend on another is OK. If your are writing > a generic reusable application that other can download and plug in > then generic keys may be the way to go. If however, you are simply > having one of your own apps depend on another I strongly suggest not > using generic foreign keys, they have drawbacks that could hinder you > down the road. > > -Paul > > On Sep 27, 3:12 am, guillermooo <guillermo.lis...@googlemail.com> > wrote: > > > > > Hi David, > > > I suppose that what you suggest would work too, but it would break the > > reusability of the Todo application. I think what I need is rather a > > GenericRelation/GenericForeignKey. Just found it in the docs. > > > Thanks, > > > Guillermo > > > On Sep 26, 10:21 pm, "djfis...@gmail.com" <dfisc...@ucsdmail.com> > > wrote: > > > > Guillermo, > > > > It is possible to have a model in one application have a foreign key > > > to another application as of Django 1.0. > > > > From:http://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.mod... > > > ------------------- > > > To refer to models defined in another application, you can explicitly > > > specify a model with the full application label. For example, if the > > > Manufacturer model above is defined in another application called > > > production, you'd need to use: > > > > class Car(models.Model): > > > manufacturer = models.ForeignKey('production.Manufacturer') > > > > This sort of reference can be useful when resolving circular import > > > dependencies between two applications. > > > ------------------- > > > > Hopefully this is what you need. > > > > -David > > > > On Sep 26, 12:07 pm, Guillermo <guillermo.lis...@googlemail.com> > > > wrote: > > > > > Hi all, > > > > > I have one app with a Project model and another app with a TodoItem > > > > model. How can I declare Project to be the foreign key of TodoItem? > > > > Or, rather, how can I make TodoItem accept an arbitrary model as > > > > foreign key? > > > > > Regards, > > > > > Guillermo --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
