1 files changed, 17 insertions, 0 deletions
diff --git a/tests/regressiontests/backends/models.py b/tests/regressiontests/backends/models.py
index e3137f2710..7315408d49 100644
--- a/tests/regressiontests/backends/models.py
+++ b/tests/regressiontests/backends/models.py
@@ -1,3 +1,5 @@
+from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.models import ContentType
 from django.conf import settings
 from django.db import models
 from django.db import connection, DEFAULT_DB_ALIAS
@@ -37,6 +39,21 @@ if settings.DATABASES[DEFAULT_DB_ALIAS]['ENGINE'] != 'django.db.backends.mysql':
         m2m_also_quite_long_zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz = models.ManyToManyField(Person,blank=True)
 
 
+class Tag(models.Model):
+    name = models.CharField(max_length=30)
+    content_type = models.ForeignKey(ContentType, related_name='backend_tags')
+    object_id = models.PositiveIntegerField()
+    content_object = generic.GenericForeignKey('content_type', 'object_id')
+
+
+class Post(models.Model):
+    name = models.CharField(max_length=30)
+    text = models.TextField()
+    tags = generic.GenericRelation('Tag')
+
+    class Meta:
+        db_table = 'CaseSensitive_Post'
+
 qn = connection.ops.quote_name
 
 __test__ = {'API_TESTS': """