Re: Daylight Saving Time question PostgreSQL 8.1.4

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От Andrew Dunstan
Тема Re: Daylight Saving Time question PostgreSQL 8.1.4
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Msg-id 45F80C6B.4090204@dunslane.net
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Ответ на Re: Daylight Saving Time question PostgreSQL 8.1.4  (Martijn van Oosterhout <kleptog@svana.org>)
Ответы Re: Daylight Saving Time question PostgreSQL 8.1.4  (Zdenek Kotala <Zdenek.Kotala@Sun.COM>)
Re: Daylight Saving Time question PostgreSQL 8.1.4  (Alvaro Herrera <alvherre@commandprompt.com>)
Re: Daylight Saving Time question PostgreSQL 8.1.4  (Tom Lane <tgl@sss.pgh.pa.us>)
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Martijn van Oosterhout wrote:
> I think that from a data integrity point of view the current system is
> the best. At the very least what you propose is a modularity violation:
> Postgres depending on undocumented private data of another system
> component.
>
>
>   

I don't think you can reasonably describe the system timezone database 
as undocumented private data. Plenty of other systems rely on it, as we 
used to do.

But I take Tom's point about most users not knowing if their TZ database 
is usable or not. Maybe we need a tool (maybe on pgfoundry) that will do 
some analysis to find out, if such a thing is possible.

cheers

andrew



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