sess2.merge(o)
assert o2.customer.user_name == 'also fred'
+ def test_saved_cascade_3(self):
+ """test merge of a persistent entity with one_to_one relationship"""
+ mapper(User, users, properties={
+ 'address':relation(mapper(Address, addresses),uselist = False)
+ })
+ sess = create_session()
+ u = User()
+ u.user_id = 7
+ u.user_name = "fred"
+ a1 = Address()
+ a1.email_address='foo@bar.com'
+ u.address = a1
+
+ sess.save(u)
+ sess.flush()
+
+ sess2 = create_session()
+ u2 = sess2.query(User).get(7)
+ u2.user_name = 'fred2'
+ u2.address.email_address = 'hoho@lalala.com'
+
+ u3 = sess.merge(u2)
if __name__ == "__main__":
testbase.main()