def test_update_changes_resets_dirty(self):
User = self.classes.User
sess = Session(autoflush=False)
john, jack, jill, jane = sess.query(User).order_by(User.id).all()
john.age = 50
jack.age = 37
# autoflush is false. therefore our '50' and '37' are getting
# blown away by this operation.
sess.query(User).filter(User.age > 29).update(
{"age": User.age - 10}, synchronize_session="evaluate")
for x in (john, jack, jill, jane):
assert not sess.is_modified(x)
eq_([john.age, jack.age, jill.age, jane.age], [25, 37, 29, 27])
john.age = 25
assert john in sess.dirty
assert jack in sess.dirty
assert jill not in sess.dirty
assert not sess.is_modified(john)
assert not sess.is_modified(jack)
def test_update_changes_with_autoflush(self):
User = self.classes.User
sess = Session()
john, jack, jill, jane = sess.query(User).order_by(User.id).all()
john.age = 50
jack.age = 37
sess.query(User).filter(User.age > 29).update(
{"age": User.age - 10}, synchronize_session="evaluate")
for x in (john, jack, jill, jane):
assert not sess.is_modified(x)
eq_([john.age, jack.age, jill.age, jane.age], [40, 27, 29, 27])
john.age = 25
assert john in sess.dirty
assert jack not in sess.dirty
assert jill not in sess.dirty
assert sess.is_modified(john)
assert not sess.is_modified(jack)
