1 files changed, 11 insertions, 0 deletions
diff --git a/tests/select_for_update/models.py b/tests/select_for_update/models.py
index 48ad58faa9..b04ed31b00 100644
--- a/tests/select_for_update/models.py
+++ b/tests/select_for_update/models.py
@@ -1,5 +1,16 @@
 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='+')