- Fixed bug involving dynamic attributes, that was again a regression

of :ticket:`3060` from verision 0.9.5.  A self-referential relationship
with lazy='dynamic' would raise a TypeError within a flush operation.
fixes #3099

1 files changed, 17 insertions, 0 deletions

diff --git a/test/orm/test_dynamic.py b/test/orm/test_dynamic.py
index 21dcfd436..54ea3c2f1 100644
--- a/test/orm/test_dynamic.py
+++ b/test/orm/test_dynamic.py
@@ -600,6 +600,23 @@ class UOWTest(_DynamicFixture, _fixtures.FixtureTest,
     def test_delete_cascade(self):
         self._test_delete_cascade(False)
 
+    def test_self_referential(self):
+        Node, nodes = self.classes.Node, self.tables.nodes
+
+
+        mapper(Node, nodes, properties={
+            'children': relationship(Node, lazy="dynamic", order_by=nodes.c.id)
+        })
+
+        sess = Session()
+        n2, n3 = Node(), Node()
+        n1 = Node(children=[n2, n3])
+        sess.add(n1)
+        sess.commit()
+
+        eq_(n1.children.all(), [n2, n3])
+
+
     def test_remove_orphans(self):
         addresses = self.tables.addresses
         User, Address = self._user_address_fixture(addresses_args={