Re: Converting to UTC multiple times converts back to local time zone

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Gary Bernhardt <gary(dot)bernhardt(at)gmail(dot)com>
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: Converting to UTC multiple times converts back to local time zone
Date: 2018-06-26 00:32:51
Message-ID: CAKFQuwaUeC-VqtWDu_ASVGaWh1ktppF1HqN_5Nb16DRe6-AXOQ@mail.gmail.com
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On Mon, Jun 25, 2018 at 5:25 PM, Gary Bernhardt <gary(dot)bernhardt(at)gmail(dot)com>
wrote:

> On Mon, Jun 25, 2018, at 5:20 PM, David G. Johnston wrote:
> > I'll agree that this was a surprising finding for me too, but in the
> overall scheme of how PostgreSQL works, and other features it provides
> (e.g., TimeZone GUC and to_char()) it fits.
>
> Thanks, David. I find this behavior quite off-putting, but I'm happy to
> take your word that it's intended and consistent with other features.
>

Care to be more specific? You didn't really provide an example that gives
others insight into why you would use "AT TIME ZONE" twice in the same
expression.

David J.

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