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Asked: 2026-05-26T14:42:14+00:00

I would like to order SQL results by a timestamp field in descending order

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I would like to order SQL results by a timestamp field in descending order with newest entries first. However, I have certain rows that are blank or contain zeros. How can I sandwich these result in between future and past rows? Can this be done with CASEs?

SELECT * FROM table ORDER BY when DESC

EDIT: Thanks to all the responses. Just so everyone knows, I went with MySQL’s IFNULL, i.e.

SELECT * FROM table ORDER BY IFNULL(when,UNIX_TIMESTAMP()) DESC

This was the simplest approach, where if when contained NULL the select query replaced it with the current unix time. Note that I updated my DB and replaced all 0s with NULL values.

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1 Answer

  1. Editorial Team
    SELECT * FROM TABLE IF(mytime is null, [sometime],mytime) ORDER BY ...

    Not 100% sure whether ‘is null’ is the code, but I’ve done something similar.

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