Re: timestamp skew during 7.4 -> 8.2 upgrade

From: Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: timestamp skew during 7.4 -> 8.2 upgrade
Date: 2007-08-10 10:14:26
Message-ID: 20070810101426.GA4487@merkur.hilbert.loc
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On Fri, Aug 10, 2007 at 10:11:29AM +0200, Louis-David Mitterrand wrote:

> So if I understand correctly, a timestamp_tz is ...

... stored as UTC in the backend

... sent to clients shifted by whatever timezone was
requested by the client by one of several mechanisms:

- "set timezone to ..." used by the client
- "select ... at time zone ..." used by the client
- the server timezone if neither of the above is used

> according to the host's timezone configuration? For example if I
> travel with my server and cross several timezones, my timestamp_tz's
> will display a different time (provided I run the tzselect utility in
> Linux) ?
Yes, unless the client tells the server to send them shifted
to a different timezone (see above).

Karsten
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