Refs -- Added test for ordering by OrderBy() of combined queryset with not selected columns.
@@ -268,6 +268,8 @@ class QuerySetSetOperationTests(TestCase):
list(qs1.union(qs2).order_by('num'))
with self.assertRaisesMessage(DatabaseError, msg):
list(qs1.union(qs2).order_by(F('num')))
+ with self.assertRaisesMessage(DatabaseError, msg):
+ list(qs1.union(qs2).order_by(F('num').desc()))
# switched order, now 'exists' again:
list(qs2.union(qs1).order_by('num'))
