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22 lines
567 B
Python
22 lines
567 B
Python
from django.db import models
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class Person(models.Model):
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first_name = models.CharField(max_length=20)
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last_name = models.CharField(max_length=20)
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friends = models.ManyToManyField('self')
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# A set of models that use a non-abstract inherited 'through' model.
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class ThroughBase(models.Model):
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person = models.ForeignKey(Person, models.CASCADE)
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b = models.ForeignKey('B', models.CASCADE)
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class Through(ThroughBase):
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extra = models.CharField(max_length=20)
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class B(models.Model):
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people = models.ManyToManyField(Person, through=Through)
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