On Feb 28, 7:07 am, sinanjj <sina...@gmail.com> wrote: > hello everyone. > I am doing a GIS related project, with django. > There is a question that how to get the one-to-one relation class's > name of a class? > for example: > class Thing(models.Model): > lat = models.FloatField(default=0.0) > lng = models.FloatField(default=0.0) > class Streetlight(models.Model): > thing = models.OneToOneField(Googlemap_thing, primary_key=True) > state = models.BooleanField(default=False) > class Tree(models.Model): > thing = models.OneToOneField(Googlemap_thing, primary_key=True) > state = models.CharField(max_length=30) > class House(models.Model): > thing = models.OneToOneField(Googlemap_thing, primary_key=True) > owner = models.CharField(max_length=30) > > Thing is a class that with the comman attribtion in map, lat and lng. > Streetlight,Tree,House is a "child" class of Thing, using > OneToOneField to do that. > For a Thing instance, how to know which class have OneToOne relation > with it? > > Thank you
I would use a generic relation instead of the OneToOne fields. See http://docs.djangoproject.com/en/1.1/ref/contrib/contenttypes/#id1 -- DR. -- 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.
