Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-12 Thread Martijn van Oosterhout
On Thu, Aug 09, 2007 at 05:27:55PM +, Louis-David Mitterrand wrote: > Hi, > > After our 7.4 to 8.2 upgrade using debian tools, we realized that some > of our timestamps with tz had shifted: > > For example '2007-04-01 00:00:00+02' became '2007-03-31 23:00:00+01' > which is on a different mo

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-11 Thread Tom Lane
Louis-David Mitterrand <[EMAIL PROTECTED]> writes: > But, I found something fishy that particular server: > uruk:~# hwclock > Sat 11 Aug 2007 10:47:36 AM CEST -0.630123 seconds > uruk:~# hwclock --utc > Sat 11 Aug 2007 12:47:39 PM CEST -0.600430 seconds If this is PC-typ

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-11 Thread Louis-David Mitterrand
On Fri, Aug 10, 2007 at 04:59:52PM -0400, Tom Lane wrote: > Karsten Hilbert <[EMAIL PROTECTED]> writes: > > 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 cli

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-10 Thread Tom Lane
Karsten Hilbert <[EMAIL PROTECTED]> writes: > 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 o

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-10 Thread Karsten Hilbert
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 t

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-10 Thread Louis-David Mitterrand
On Thu, Aug 09, 2007 at 10:49:38AM -0500, Scott Marlowe wrote: > On 8/9/07, Louis-David Mitterrand > <[EMAIL PROTECTED]> wrote: > > Hi, > > > > After our 7.4 to 8.2 upgrade using debian tools, we realized that some > > of our timestamps with tz had shifted: > > > > For example '2007-04-01 00:00:00+

Re: [GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-09 Thread Scott Marlowe
On 8/9/07, Louis-David Mitterrand <[EMAIL PROTECTED]> wrote: > Hi, > > After our 7.4 to 8.2 upgrade using debian tools, we realized that some > of our timestamps with tz had shifted: > > For example '2007-04-01 00:00:00+02' became '2007-03-31 23:00:00+01' > which is on a different month. Some of ou

[GENERAL] timestamp skew during 7.4 -> 8.2 upgrade

2007-08-09 Thread Louis-David Mitterrand
Hi, After our 7.4 to 8.2 upgrade using debian tools, we realized that some of our timestamps with tz had shifted: For example '2007-04-01 00:00:00+02' became '2007-03-31 23:00:00+01' which is on a different month. Some of our applications were severely disturbed by that. Has anyone noticed th