- Query.count() and Query.get() return a more informative

error message when executed against multiple entities.
[ticket:1220]

1 files changed, 8 insertions, 0 deletions

diff --git a/test/orm/query.py b/test/orm/query.py
index b63c12f09..c90707342 100644
--- a/test/orm/query.py
+++ b/test/orm/query.py
@@ -236,6 +236,14 @@ class InvalidGenerationsTest(QueryTest):
         # this is fine, however
         q.from_self()
     
+    def test_mapper_zero(self):
+        s = create_session()
+        
+        q = s.query(User, Address)
+        self.assertRaises(sa_exc.InvalidRequestError, q.count)
+
+        self.assertRaises(sa_exc.InvalidRequestError, q.get, 5)
+        
     def test_from_statement(self):
         s = create_session()