Method __gradual_broadcast

python/pathway/internals/table.py:653–667

(
        self,
        threshold_table,
        lower_column,
        value_column,
        upper_column,
    )

    @check_arg_types
    @contextualized_operator
    def __gradual_broadcast(
        self,
        threshold_table,
        lower_column,
        value_column,
        upper_column,
    ):
        context = clmn.GradualBroadcastContext(
            self._id_column,
            threshold_table._eval(lower_column),
            threshold_table._eval(value_column),
            threshold_table._eval(upper_column),
        )

        return Table(_columns={"apx_value": context.apx_value_column}, _context=context)

    @trace_user_frame
    @desugar