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Excel Convert Date To Number in Vertica

Hi all,
I need to convert the date to a number the same as the excel formula does.
for example, the cell with value: 2021-03-14 11:20:00 -> convert to number format the result is : 44269.472225625
if I do this in Vertica:
SELECT TIMESTAMPDIFF(SECOND ,'1900-01-01 00:00:00', '2021-03-14 11:20:00'::TIMESTAMP)/(86400)
I get the result 44267.4722222222
there is a better solution?
link to excel doc:

Best Answer

  • Jim_KnicelyJim_Knicely Administrator
    edited April 20 Accepted Answer

    Seems like the correct result is: 44267.4722222222


  • Ok thank you very much!!

  • Jim_KnicelyJim_Knicely Administrator

    You could create cool little User Defined SQL Function ;)

    verticademos=> CREATE OR REPLACE function dt_2_num(x TIMESTAMP) RETURN NUMERIC(18,9)
    verticademos-> AS
    verticademos-> BEGIN
    verticademos->   RETURN TIMESTAMPDIFF(SECOND ,'1900-01-01 00:00:00', x) / 86400;
    verticademos-> END;
    verticademos=> SELECT dt_2_num('2021-03-14 11:20:00');
    (1 row)

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