i think like this:
def delete_all(self):
Categories.objects.filter(parent_category=self).delete()
On Mar 29, 3:55 pm, mouadino <mouad...@gmail.com> wrote:
> hello everybody
>
> I have a model class where i m using a foreign key self-referencing
> here is my code :
>
> class Categories(custom.Model):
> url = models.ForeignKey(Urls, null=True, blank=True)
> category = models.CharField(max_length=128)
> parent_category = models.ForeignKey('self', null=True, blank=True)
>
> def delete_all(self):
> """delete the parent category => deleting all sub categories
> with the cascade delete"""
> category = self
> while category.parent_category: #the root category have the
> parent_category NULL
> category = category.parent_category
>
> category.delete()
>
> and when i m using the delete_all() with a sub category usually it
> goes until the root category with the loop and should delete it with
> all the sub categories because of the cascade delete .
>
> But when i m calling the delete_all() it's goes in an infinity loop .
>
> If someone can help me , and sorry for my English
--
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.
