- [bug] Fixed the error formatting raised when

a tuple is inadvertently passed to session.query()
[ticket:2297].

1 files changed, 7 insertions, 0 deletions

diff --git a/test/orm/test_query.py b/test/orm/test_query.py
index 25ab1a29d..9ada53bfc 100644
--- a/test/orm/test_query.py
+++ b/test/orm/test_query.py
@@ -432,6 +432,13 @@ class InvalidGenerationsTest(QueryTest, AssertsCompiledSQL):
         q = s.query(User)
         assert_raises(sa_exc.InvalidRequestError, q.add_column, object())
 
+    def test_invalid_column_tuple(self):
+        User = self.classes.User
+
+        s = create_session()
+        q = s.query(User)
+        assert_raises(sa_exc.InvalidRequestError, q.add_column, (1, 1))
+
     def test_distinct(self):
         """test that a distinct() call is not valid before 'clauseelement' conditions."""