django/tests/select_for_update/models.py

17 lines
442 B
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='+')