Method select_identity_token

lib/sqlalchemy/orm/mapper.py:2855–2869

(self)

    @util.memoized_property
    def select_identity_token(self):
        return (
            expression.null()
            ._annotate(
                {
                    "entity_namespace": self,
                    "parententity": self,
                    "parentmapper": self,
                    "identity_token": True,
                }
            )
            ._set_propagate_attrs(
                {"compile_state_plugin": "orm", "plugin_subject": self}
            )
        )

    @property
    def selectable(self) -> FromClause: