parts/django/tests/regressiontests/model_formsets_regress/models.py


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from django.db import models

class User(models.Model):
    username = models.CharField(max_length=12, unique=True)
    serial = models.IntegerField()

class UserSite(models.Model):
    user = models.ForeignKey(User, to_field="username")
    data = models.IntegerField()

class Place(models.Model):
    name = models.CharField(max_length=50)

class Restaurant(Place):
    pass

class Manager(models.Model):
    retaurant = models.ForeignKey(Restaurant)
    name = models.CharField(max_length=50)