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37 lines
924 B
Python
37 lines
924 B
Python
from __future__ import unicode_literals
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible
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@python_2_unicode_compatible
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class Poll(models.Model):
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question = models.CharField(max_length=200)
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def __str__(self):
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return "Q: %s " % self.question
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@python_2_unicode_compatible
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class Choice(models.Model):
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poll = models.ForeignKey(Poll, models.CASCADE)
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choice = models.CharField(max_length=200)
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def __str__(self):
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return "Choice: %s in poll %s" % (self.choice, self.poll)
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# A set of models with an inner one pointing to two outer ones.
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class OuterA(models.Model):
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pass
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class OuterB(models.Model):
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data = models.CharField(max_length=10)
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class Inner(models.Model):
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first = models.ForeignKey(OuterA, models.CASCADE)
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# second would clash with the __second lookup.
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third = models.ForeignKey(OuterB, models.SET_NULL, null=True)
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