Example: Using TD_SEQUENCED_SUM - Analytics Database - Teradata Vantage

WITH subtbl(flight_id, charges, duration) AS
   (SELECT flight_id, charges, duration FROM FlightExp)
SELECT * FROM  TABLE (
   TD_SYSFNLIB.TD_SEQUENCED_SUM(NEW VARIANT_TYPE(subtbl.flight_id),
                                   NEW VARIANT_TYPE(subtbl.charges),
                                                    subtbl.duration)
RETURNS (flight_id INT, charges FLOAT,
         duration PERIOD(TIMESTAMP(6) WITH TIME ZONE))
HASH BY flight_id     /* input data is redistributed on column, flight_id */
LOCAL ORDER BY flight_id, duration)     /* input data is sorted on these columns */
AS DT(flight_id, charges, duration) ORDER BY 1,3;