mirror of
https://github.com/django/django.git
synced 2024-12-27 11:35:53 +00:00
38 lines
875 B
Python
38 lines
875 B
Python
from __future__ import unicode_literals
|
|
|
|
from django.db import models
|
|
from django.utils.encoding import python_2_unicode_compatible
|
|
|
|
|
|
@python_2_unicode_compatible
|
|
class Poll(models.Model):
|
|
question = models.CharField(max_length=200)
|
|
|
|
def __str__(self):
|
|
return "Q: %s " % self.question
|
|
|
|
|
|
@python_2_unicode_compatible
|
|
class Choice(models.Model):
|
|
poll = models.ForeignKey(Poll)
|
|
choice = models.CharField(max_length=200)
|
|
|
|
def __str__(self):
|
|
return "Choice: %s in poll %s" % (self.choice, self.poll)
|
|
|
|
# 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)
|
|
# second would clash with the __second lookup.
|
|
third = models.ForeignKey(OuterB, null=True)
|