Re: Conversion

On Tue, Aug 13, 2002 at 03:14:38PM +0800, Christopher Kings-Lynne wrote:
> > http://www.postgresql.org/idocs/index.php?datatype-datetime.html says:
> >
> >  The types abstime  and reltime are lower precision types which are used
> >  internally. You are discouraged from using any of these types in new
> >  applications and are encouraged to move any old ones over when
> >  appropriate. Any or all of these internal types might disappear in a
> >  future release.
> 
> Yes, but in absence of:
> 
> SELECT EXTRACT(TIMESTAMP FROM EPOCH '12341234234');

Sounds nice :)

> (Hint Hint Thomas!!!)
>
> It's all he can do.  I suggest using the syntax above to convert his integer
> column to a timestamp column.

Sure. I use the same. But I don't like it because of that caution :(

The other way is
SELECT 'epoch'::timestamp + (int4field::text || 's')::interval,
but it's much much slower... And it seems not to handle timestamps
after 2038-01-19.

-- 
Fduch M. Pravking