Method _get_state_attr_by_column

lib/sqlalchemy/orm/mapper.py:3554–3562

(
        self,
        state: InstanceState[_O],
        dict_: _InstanceDict,
        column: ColumnElement[Any],
        passive: PassiveFlag = PassiveFlag.PASSIVE_RETURN_NO_VALUE,
    )

        return {self._columntoproperty[col].key for col in self._all_pk_cols}

    def _get_state_attr_by_column(
        self,
        state: InstanceState[_O],
        dict_: _InstanceDict,
        column: ColumnElement[Any],
        passive: PassiveFlag = PassiveFlag.PASSIVE_RETURN_NO_VALUE,
    ) -> Any:
        prop = self._columntoproperty[column]
        return state.manager[prop.key].impl.get(state, dict_, passive=passive)

    def _state_ident_getter(self, columns, passive):
        lookup_keys = [self._columntoproperty[col].key for col in columns]