On Tue, Mar 17, 2009 at 5:08 PM, Andrew Fong <fongand...@gmail.com> wrote:
> > Hello all, > > Quick question. Given these models ... > > class A(models.Model): pass > > class B(models.Model): > model_a = models.ForeignKey(A) > > ... getting the model_a attribute on an instance of B will result in > that related object being cached. So the question: given an instance > of B, how do I know whether the related object has already been > cached? > > Been looking through the source code, but I can't find where > related_objects are stored. Thanks in advance to anyone who can help! > > -- Andrew > > > The code to calculate the cache is here: http://code.djangoproject.com/browser/django/trunk/django/db/models/fields/__init__.py#L171it's a lot to follow but it gets used in ReverseSingleRelatedObjectDescriptor which calls self.field.get_cache_name() which ForeignKey inherits from Field. Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
