def test_polymorphic_deferred(self):
email_users, users = (self.tables.email_users, self.tables.users)
mapper(
User,
users,
polymorphic_identity="user",
polymorphic_on=users.c.type,
)
mapper(
EmailUser,
email_users,
inherits=User,
polymorphic_identity="emailuser",
)
eu = EmailUser(name="user1", email_address="*****@*****.**")
with fixture_session() as sess:
sess.add(eu)
sess.commit()
with fixture_session() as sess:
eu = sess.query(User).first()
eu2 = pickle.loads(pickle.dumps(eu))
sess2 = fixture_session()
sess2.add(eu2)
assert "email_address" not in eu2.__dict__
eq_(eu2.email_address, "*****@*****.**")
def test_polymorphic_deferred(self):
email_users, users = (
self.tables.email_users,
self.tables.users,
)
mapper(User,
users,
polymorphic_identity='user',
polymorphic_on=users.c.type)
mapper(EmailUser,
email_users,
inherits=User,
polymorphic_identity='emailuser')
eu = EmailUser(name="user1", email_address='*****@*****.**')
sess = create_session()
sess.add(eu)
sess.flush()
sess.expunge_all()
eu = sess.query(User).first()
eu2 = pickle.loads(pickle.dumps(eu))
sess2 = create_session()
sess2.add(eu2)
assert 'email_address' not in eu2.__dict__
eq_(eu2.email_address, '*****@*****.**')