def test_polymorphic_on_expr_implicit_map_w_label_single(self):
        t2, t1 = self.tables.t2, self.tables.t1
        Parent, Child = self.classes.Parent, self.classes.Child
        expr = case([
            (t1.c.x=="p", "parent"),
            (t1.c.x=="c", "child"),
        ]).label(None)
        mapper(Parent, t1, polymorphic_identity="parent",
            polymorphic_on=expr)
        mapper(Child, inherits=Parent, polymorphic_identity="child")

        self._roundtrip(parent_ident='p', child_ident='c')
Sends a PUT request. Returns :class:`Response` object.
dataset/ETHPy150Open zzzeek/sqlalchemy/test/orm/inheritance/test_basic.py/PolymorphicOnNotLocalTest.test_polymorphic_on_expr_implicit_map_w_label_single--crossover with--dataset/ETHPy150Open BergWerkGIS/QGIS-CKAN-Browser/CKAN-Browser/request/sessions.py/Session.put