mirror of
https://github.com/django/django.git
synced 2024-12-23 09:36:06 +00:00
22 lines
567 B
Python
22 lines
567 B
Python
from django.db import models
|
|
|
|
|
|
class Person(models.Model):
|
|
first_name = models.CharField(max_length=20)
|
|
last_name = models.CharField(max_length=20)
|
|
friends = models.ManyToManyField("self")
|
|
|
|
|
|
# A set of models that use a non-abstract inherited 'through' model.
|
|
class ThroughBase(models.Model):
|
|
person = models.ForeignKey(Person, models.CASCADE)
|
|
b = models.ForeignKey("B", models.CASCADE)
|
|
|
|
|
|
class Through(ThroughBase):
|
|
extra = models.CharField(max_length=20)
|
|
|
|
|
|
class B(models.Model):
|
|
people = models.ManyToManyField(Person, through=Through)
|