| From: | Vik Fearing <vik(at)2ndquadrant(dot)fr> |
|---|---|
| To: | Steve Rogerson <steve(dot)pg(at)yewtc(dot)demon(dot)co(dot)uk>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>, "pgsql-general(at)postgresql(dot)org >> PG-General Mailing List" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Postgres and timezones |
| Date: | 2016-01-20 19:19:44 |
| Message-ID: | 569FDDD0.7020106@2ndquadrant.fr |
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| Lists: | pgsql-general |
On 01/20/2016 04:24 PM, Steve Rogerson wrote:
>> Postgres doesn't store original TZ. It does recalculation to local TZ. If you
>> need original TZ, you have to store it separetely.
>>
>
> I know and that's what I'm trying to deal with. Given I know the origin TZ -
> as in Europe/Lisbon I'm trying to determine the short name so I can store it.
I would recommend against storing the abbreviation. The abbreviations
are not globally unique and don't follow daylight savings. If you want
to store the original time zone, I would use the full name.
Something like this might be relative to your interests:
INSERT INTO tbl (ts, tz)
VALUES ('2016-01-20 00:00', current_setting('TimeZone'));
This will do the right thing regardless of where the client is (unless
it's set to "localtime" and then it's useless).
--
Vik Fearing +33 6 46 75 15 36
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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