diff -r 5ff1fc726848 -r c6bca38c1cbf parts/django/tests/regressiontests/backends/models.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/backends/models.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,37 @@
+from django.db import models
+
+class Square(models.Model):
+    root = models.IntegerField()
+    square = models.PositiveIntegerField()
+
+    def __unicode__(self):
+        return "%s ** 2 == %s" % (self.root, self.square)
+
+class Person(models.Model):
+    first_name = models.CharField(max_length=20)
+    last_name = models.CharField(max_length=20)
+
+    def __unicode__(self):
+        return u'%s %s' % (self.first_name, self.last_name)
+
+class SchoolClass(models.Model):
+    year = models.PositiveIntegerField()
+    day = models.CharField(max_length=9, blank=True)
+    last_updated = models.DateTimeField()
+
+
+class Reporter(models.Model):
+    first_name = models.CharField(max_length=30)
+    last_name = models.CharField(max_length=30)
+
+    def __unicode__(self):
+        return u"%s %s" % (self.first_name, self.last_name)
+
+
+class Article(models.Model):
+    headline = models.CharField(max_length=100)
+    pub_date = models.DateField()
+    reporter = models.ForeignKey(Reporter)
+
+    def __unicode__(self):
+        return self.headline