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django/tests/select_for_update/models.py
Ran Benita 03049fb8d9 Refs #28010 -- Allowed reverse related fields in SELECT FOR UPDATE .. OF.
Thanks Adam Chidlow for polishing the patch.
2017-10-28 20:33:42 -04:00

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Python

from django.db import models
class Country(models.Model):
name = models.CharField(max_length=30)
class City(models.Model):
name = models.CharField(max_length=30)
country = models.ForeignKey(Country, models.CASCADE)
class Person(models.Model):
name = models.CharField(max_length=30)
born = models.ForeignKey(City, models.CASCADE, related_name='+')
died = models.ForeignKey(City, models.CASCADE, related_name='+')
class PersonProfile(models.Model):
person = models.OneToOneField(Person, models.CASCADE, related_name='profile')