Re: Timezone database changes
От | Magne Mæhre |
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Тема | Re: Timezone database changes |
Дата | |
Msg-id | 470E11BB.4050606@sun.com обсуждение исходный текст |
Ответ на | Re: Timezone database changes ("Trevor Talbot" <quension@gmail.com>) |
Ответы |
Re: Timezone database changes
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Список | pgsql-hackers |
Trevor Talbot wrote: > Thinking that it might have had out of date zone rules brings up an > interesting scenario though. Consider a closed (no networking or > global interest) filing system in a local organization's office, where > it's used to record the minutes of meetings and such via human input. > It would seem that the correct time to record in that case is in fact > the local time, not UTC. If that system is left alone for years, and > does not receive any zone rule updates, it will likely begin storing > the wrong UTC values. When the data is later transported out > (upgrade, archive, whatever), it will be incorrect unless you use that > particular snapshot of the zone rules. > > That situation might sound a bit contrived, but I think the real point > is that even for some records of observed times, the local time is the > authoritative one, not UTC. ...and for that scenario you have TIMESTAMP WITHOUT TIME ZONE --Magne
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