Can I have a Django model that has a foreign key reference to itself?

Question

Okay, how would I do this?

class Example(models.Model):
  parent_example = models.ForeignKey(Example)

I want to have a model have a foreign

Answer 1

Yes, just do this:

class Example(models.Model):
  parent_example = models.ForeignKey('self')

Answer 2

You should use

models.ForeignKey('self')

as mentioned here.

Answer 3

You can do this using quotes too:

class Example(models.Model):
    parent_example = models.ForeignKey('Example')