Method deferred_fixture

test/orm/test_query.py:4119–4134

(self)

    @testing.fixture
    def deferred_fixture(self):
        User = self.classes.User
        users = self.tables.users

        self.mapper_registry.map_imperatively(
            User,
            users,
            properties={
                "name": deferred(users.c.name),
                "name_upper": column_property(
                    func.upper(users.c.name), deferred=True
                ),
            },
        )

        return User

    def test_flat_twolevel_union_deferred(self, deferred_fixture):
        """test #6678