On Mon, Oct 27, 2008 at 7:19 PM, Michael Meier <[EMAIL PROTECTED]>wrote:
> > Hello > > I'm relatively new to Django and I was able to set up a small > application without any problems, BUT: > > How can I access data inside a model that comes from another model. As > an example, I have a model Person, which has a One-To-Many- > relationship to Skills. So each person can have multiple skills. > > Now my idea is that the Skills model has one function that returns the > number of skills a person has. > > I tried this for several hours now :-(, including searching the > documentation, but I can't find that information. Maybe I just need a > push into the right direction. > > You might want to read this section of the docs: http://docs.djangoproject.com/en/dev/topics/db/queries/#related-objects It's a little hard to be sure since you did not give specifics on your model, but assuming you have a model named Person and one named Skill, and Skill has a ForeignKey field to a Person, then the number of Skills for a Person instance p would be obtained by: p.skill_set.count() So, you don't come at it from the Skill model but rather from an instance of a Person model. Karen --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
