mirror of
https://github.com/django/django.git
synced 2024-12-23 17:46:27 +00:00
27 lines
609 B
Python
27 lines
609 B
Python
from django.db import models
|
|
|
|
|
|
class Poll(models.Model):
|
|
question = models.CharField(max_length=200)
|
|
|
|
|
|
class Choice(models.Model):
|
|
poll = models.ForeignKey(Poll, models.CASCADE)
|
|
choice = models.CharField(max_length=200)
|
|
|
|
# A set of models with an inner one pointing to two outer ones.
|
|
|
|
|
|
class OuterA(models.Model):
|
|
pass
|
|
|
|
|
|
class OuterB(models.Model):
|
|
data = models.CharField(max_length=10)
|
|
|
|
|
|
class Inner(models.Model):
|
|
first = models.ForeignKey(OuterA, models.CASCADE)
|
|
# second would clash with the __second lookup.
|
|
third = models.ForeignKey(OuterB, models.SET_NULL, null=True)
|