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converting seconds since epoch to time string

From: Bill Morrow <wmorrow(at)home(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: converting seconds since epoch to time string
Date: 2000-11-14 23:04:20
Message-ID: 20001114160420.A16639@lunk.dhs.org (view raw or flat)
Thread:
Lists: pgsql-novice
I have an integer column which holds a time represented
as the number of seconds since 1970/01/01 00:00 UTC. I want to
view this table with the time converted to an understandable text string.

I've experimented with things like

select to_char('epoch'::datetime + '973660200 seconds'::interval, 'dd/mm/yyyy hh:mi');
     to_char      
------------------
 07/11/2000 10:10 

but can't see anyway to use the time column in my table, instead of a hardcode
number of seconds.

In Sybase, you can use the dateadd() function to do this:

select dateadd( seconds, time, '1/1/70') from tablename

Thanks,
Bill

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Subject: Re: converting seconds since epoch to time string
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Subject: Re: smallint to bigint

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