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Re: BUG #6605: wrong type cast from timestamp to timestamptz

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: eshkinkot(at)gmail(dot)com
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #6605: wrong type cast from timestamp to timestamptz
Date: 2012-04-21 17:49:55
Message-ID: 2165.1335030595@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
eshkinkot(at)gmail(dot)com writes:
> set timezone to 'W-SU'; select  '2011-03-27 23:00:00'::timestamptz;
> SET
>       timestamptz       
> ------------------------
>  2011-03-28 02:59:54+04

Bizarre.  On my Fedora 16 box, I see a different misbehavior:

regression=# set timezone to 'Europe/Moscow'; select  '2011-03-27 23:00:00'::timestamptz;
SET
      timestamptz       
------------------------
 2011-03-28 00:29:40+04
(1 row)

(W-SU behaves the same, incidentally.)  Two other machines are fine
with this case, though.  It may or may not be relevant that the F16
build is using --with-system-tzdata, as I imagine your Debian package
is also, while the machines that are happy are not.

So: some platform-specific misbehavior here.  I have no time to poke at
it more now, though.  Who else can reproduce this, on what platforms?

			regards, tom lane

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Next:From: Gavin FlowerDate: 2012-04-21 21:29:24
Subject: Re: BUG #6605: wrong type cast from timestamp to timestamptz
Previous:From: eshkinkotDate: 2012-04-21 07:11:50
Subject: BUG #6605: wrong type cast from timestamp to timestamptz

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