Alex Mayrhofer <[EMAIL PROTECTED]> writes:
> i'm trying to convert time stamps to "seconds since epoch" and back.

> test=# SELECT (TIMESTAMP WITH TIME ZONE 'epoch'
>                  + 0 * INTERVAL '1 second') AT TIME ZONE 'UTC';

You're overthinking the problem.  It should be just

        SELECT (TIMESTAMP WITH TIME ZONE 'epoch' + n * INTERVAL '1 second')

There is a built-in function to_timestamp() equivalent to this in 8.1,
though it doesn't seem to have made it into the documentation :-(

                        regards, tom lane

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