Обсуждение: How to convert 3 colums to timestamp with timezone

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How to convert 3 colums to timestamp with timezone

От
Jens Arnfelt
Дата:
Hi There!

Hope this is an easy one :-D

How do I convert 3 individuel colums with type "date", "time" and
"integer" to at timestamp with timexone?

eg.   tabel
cStartUnixtime    cStartTime    cStartZone
09-24-2004    10:27:12    -2

This I have to present as an timestamp with timezone.

Thanks in advance
Jens Arnfelt




Re: How to convert 3 colums to timestamp with timezone

От
Bruno Wolff III
Дата:
On Sun, Oct 03, 2004 at 22:50:13 +0200, Jens Arnfelt <jens.arnfelt@cuatro.dk> wrote:
> Hi There!
> 
> Hope this is an easy one :-D
> 
> How do I convert 3 individuel colums with type "date", "time" and
> "integer" to at timestamp with timexone?
> 
> eg.   tabel
> cStartUnixtime    cStartTime    cStartZone
> 09-24-2004    10:27:12    -2
> 
> This I have to present as an timestamp with timezone.

You can add the date and time to get a timestamp and then use AT TIME ZONE
with the second argument being the integer times an interval of 1 hour.
Sort of like the following:
bruno=> select ('2004-9-24'::date + '10:27:12'::time) at time zone (-2 * '1 hour'::interval);       timezone
------------------------2004-09-24 07:27:12-05
(1 row)