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Timezone from PG8 to PG9
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* Timezone from PG8 to PG9
@ 2013-12-20 22:29 Deron <fecastle@gmail.com>
  2013-12-21 00:11 ` Re: Timezone from PG8 to PG9 Tom Lane <tgl@sss.pgh.pa.us>
  0 siblings, 1 reply; 2+ messages in thread

From: Deron @ 2013-12-20 22:29 UTC (permalink / raw)
  To: pgsql-admin

Hello we were upgrading a test system from PG8.3.6 to PG 9.3 and it appears
as though the timezone is not set on the new PG9.3.   I should say that we
never did set the timezone for PG8, but somehow the PG server knew the
'localtime' of the system:

show timezone;
  TimeZone
------------
 US/Eastern
(1 row)

However, after upgrading to PG9:
show timezone;
 TimeZone
----------
 GMT
(1 row)

We saw the same for US/Pacific zone as well.

We do set /etc/localtime for the local timezone of the box.  We can
configure this in the postgresql.conf file.   It does appear as though PG9
server reads /etc/localtime on startup, but it is not set.   Just wondering
if it was working previously, because of some side effect, or if this has
changed some other way.  I believe the environment did not change between
PG8 and PG9 at least as far as I can determine.

The Server is CentOS 6.

Deron

^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* Re: Timezone from PG8 to PG9
  2013-12-20 22:29 Timezone from PG8 to PG9 Deron <fecastle@gmail.com>
@ 2013-12-21 00:11 ` Tom Lane <tgl@sss.pgh.pa.us>
  0 siblings, 0 replies; 2+ messages in thread

From: Tom Lane @ 2013-12-21 00:11 UTC (permalink / raw)
  To: Deron <fecastle@gmail.com>; +Cc: pgsql-admin

Deron <fecastle@gmail.com> writes:
> Hello we were upgrading a test system from PG8.3.6 to PG 9.3 and it appears
> as though the timezone is not set on the new PG9.3.   I should say that we
> never did set the timezone for PG8, but somehow the PG server knew the
> 'localtime' of the system:

> show timezone;
>   TimeZone
> ------------
>  US/Eastern
> (1 row)

> However, after upgrading to PG9:
> show timezone;
>  TimeZone
> ----------
>  GMT
> (1 row)

> We saw the same for US/Pacific zone as well.

> We do set /etc/localtime for the local timezone of the box.  We can
> configure this in the postgresql.conf file.   It does appear as though PG9
> server reads /etc/localtime on startup, but it is not set.

IIRC, we moved the determination of the default timezone into initdb
somewhere along the line; so what matters now is the system environment
initdb saw, not what the server sees on start.  If you don't like what
you're getting, change it in postgresql.conf.

			regards, tom lane


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