Method _fixture

test/orm/test_query.py:2468–2487

(self, label=True, polymorphic=False)

    run_setup_mappers = "each"

    def _fixture(self, label=True, polymorphic=False):
        User, Address = self.classes("User", "Address")
        users, addresses = self.tables("users", "addresses")
        stmt = (
            select(func.max(addresses.c.email_address))
            .where(addresses.c.user_id == users.c.id)
            .correlate(users)
        )
        if label:
            stmt = stmt.label("email_ad")
        else:
            stmt = stmt.scalar_subquery()

        self.mapper_registry.map_imperatively(
            User,
            users,
            properties={"ead": column_property(stmt)},
            with_polymorphic="*" if polymorphic else None,
        )
        self.mapper_registry.map_imperatively(Address, addresses)

    def _func_fixture(self, label=False):
        User = self.classes.User