Method _polymorphic_properties

lib/sqlalchemy/orm/mapper.py:2909–2914

(self)

    @HasMemoized.memoized_attribute
    def _polymorphic_properties(self):
        return list(
            self._iterate_polymorphic_properties(
                self._with_polymorphic_mappers
            )
        )

    @property
    def _all_column_expressions(self):