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Asked: 2026-06-17T19:34:08+00:00

I’m editing a query i build in ms sql. I need to order the

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I’m editing a query i build in ms sql.
I need to order the items on date, but that gives an error.
locations_aanvang gives 2012-08-12(yyyy-mm-dd). so i extend it to 2012-08-12 00:00:00 +1:00 for EST time.
So to order the i need to convert it to unix timestamp (right?).

The query is:

SELECT TOP 6 * FROM jd_lighthouses
WHERE locations_aanvang != ''
ORDER BY (SELECT DATEDIFF(s, '1970-01-01', locations_aanvang+' 00:00:00 +1:00')) DESC

And the error i get is:
[Microsoft][SQL Server Native Client 10.0][SQL Server]Conversion failed when converting date and/or time from character string.

What am i doing wrong? and can i do this easier?

Thanks in advance!

Kind regards,
Bram Hammer

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1 Answer

  1. Editorial Team

    Because we can’r clarify to question, only help is that:
    if locations_aanvang is character type then you can avoid error changing code like this:

    DATEDIFF(s, '1970-01-01', locations_aanvang + ' 00:00:00')

    Since you use SQL Server Native Client 10.0 i assume you have SQL Server 2008 and DATE datatype. To get newest locations use:

    ORDER BY CAST(locations_aanvang as DATE) DESC
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