oh, I found the answer:
use ForeignKey('self') to a many-to-one ref to model self
please ignore my former post. >_<
On 10月24日, 下午12时47分, Ken <[email protected]> wrote:
> I want to create a parent-child like catalog system.
>
> from django.db import models
>
> class Catalog(models.Model):
> username = models.EmailField()
> name = models.CharField(max_length=64)
> color = models.CharField(max_length=20)
> state = models.IntegerField()
> parentcatalog = models.ManyToOneRel(Catalog)
>
> but when syncdb i got:
> File "/home/ken/sites/mysite/catalog/models.py", line 12, in Catalog
> parentcatalog = models.ManyToOneRel(Catalog)
> NameError: name 'Catalog' is not defined
>
> It seems like I cannot ref to a model which is not completely defined.
> What should I do?
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