Method _eagerload_mappings

test/orm/test_query.py:5303–5317

(self, addresses_lazy=True, user_lazy=True)

    __sparse_driver_backend__ = True

    def _eagerload_mappings(self, addresses_lazy=True, user_lazy=True):
        User, Address = self.classes("User", "Address")
        users, addresses = self.tables("users", "addresses")
        self.mapper_registry.map_imperatively(
            User,
            users,
            properties={
                "addresses": relationship(
                    Address,
                    lazy=addresses_lazy,
                    backref=backref("user", lazy=user_lazy),
                )
            },
        )
        self.mapper_registry.map_imperatively(Address, addresses)

    def test_basic(self):
        self._eagerload_mappings()