On Thu, Jul 30, 2009 at 04:47:05AM -0700, rudy wrote: > class ContentTopic(models.Model): > name = models.CharField() > code = models.CharField() > > class ContentItem(models.Model): > topic = models.ManyToManyField(ContentTopic, db_index=True, > blank=True, related_name='content_item') > > So, I'd like to remove ContentTopic instance using Django admin, but I > don't need remove all related ContentItems. So, confirmation page > should display only ContentTopic instance to remove.
My understanding (correct me if I am wrong) is it shouldn't be a problem with many-to-many relationships. When deleting a ContentTopic, Django will delete the entry from the mapping table, and not touch ContentItem table. This is usually what you want - when you delete the object you can't have the relationship anymore. One-to-many relationships are a different story. You do have to be careful here. -- Brian May <[email protected]> --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected] 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 -~----------~----~----~----~------~----~------~--~---
