On Mon, Dec 20, 2010 at 11:00 PM, Morgan Wahl <morgy.w...@gmail.com> wrote:
> On Mon, Dec 20, 2010 at 4:49 PM, Marc Aymerich <glicer...@gmail.com> > wrote: > > > > > > On Mon, Dec 20, 2010 at 8:29 PM, morgan wahl <morgy.w...@gmail.com> > wrote: > >> > >> Hello all, > >> > >> I was wonder if there is a way to turn a model instance into an > >> instance of a subclass of it's class. E.g.: > >> > >> class Document(models.Model): > >> doctype = models.CharField(max_length=256, blank=True, null=True) > >> > >> class UploadedFile(Document): > >> filename = models.CharField(max_length=256) > >> > >> Given a Document that isn't already an UploadedFile, can I turn it > >> into one? I know at the database level it's just a matter of inserting > >> a new row into the uploadedfile table with document_ptr_id = the > >> Document's id. I've tried > >> > > > > I think that something like this should do the work: > > Document.UploadFile.filename="rat.doc" > > Document.save() > > > > -- > > Marc > Um, I'm not sure what it is you're trying to demonstrate here... in my > example bits of code Document and UploadedFile are Model classes, not > instances. > > Hi Morgan, sorry, Yes you're rigth, d=Document(doctype='whatever') d.save() u=UploadFile(document_ptr=d, filename='rat.doc') u.save() sorry for the confusion here :S -- Marc -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@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.
