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

eshkinkot@gmail.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