On Wed, May 30, 2012 at 06:10:12PM -0400, Tom Lane wrote:
> Currently, our datetime input code thinks that any UTC offset of more
> than 14:59:59 either way from Greenwich must be a mistake. However,
> after seeing Patric Bechtel's recent bug report, I went trolling in the
> Olson timezone files to see what are the largest offsets used there.
> I found three entries that are further out than that:
>
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
> Zone America/Juneau 15:02:19 - LMT 1867 Oct 18
> Zone America/Metlakatla 15:13:42 - LMT 1867 Oct 18
>
> These are all ancient history of course; it does not appear that any
> zones *currently* use offsets larger than +/- 14 hours, which if memory
> serves is what we considered when we set the existing sanity limit.
>
> However, as pointed out by Patric, if you dump and restore an old
> timestamptz value in one of these zones, it will fail to restore because
> of the sanity check. I think therefore that we'd better enlarge the
> allowed range to 15:59:59 either way.
Any status on this?
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ It's impossible for everything to be true. +