You want:
parent = models.ForeignKey('self', null=True, blank=True)
On Jun 21, 3:37 pm, Magnus Valle <wisca...@gmail.com> wrote:
> Hi,
> I'm trying to make model that has itself as a foreign key, in an
> attempt to store a reverse tree in Django.
> However, I can't find a way to set a default value to
> models.ForeignKey or make it optional.
>
> My model is like this:
> class Node(models.Model):
> name = models.CharField(max_length=100)
> parent = models.ForeignKey('self')
>
> runserver doesn't complain, but whenever I try to enter data to the
> model with Django's admin interface I get a "This field is required."
> message, and it want's me to select a entry, but there are none.
>
> --
> Magnus
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