Re: [HACKERS] Re: y2k

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От Thomas G. Lockhart
Тема Re: [HACKERS] Re: y2k
Дата
Msg-id 3631DF74.50BA1F31@alumni.caltech.edu
обсуждение исходный текст
Ответ на Re: [HACKERS] Re: y2k  (The Hermit Hacker <scrappy@hub.org>)
Список pgsql-hackers
> > I'll put it in the docs, after running it by the
> > hackers group again.


Y2K Statement
    Author: Written by Thomas Lockhart on 1998-10-22.

The PostgreSQL Global Development Team provides the Postgres software
code tree as a public service, without warranty and without liability
for it's behavior or performance.

However, at the time of writing: 

o The author, a volunteer on the Postgres support team since November,
1996, is not aware of any problems in the Postgres code base related to
time transitions around Jan 1, 2000 (Y2K). 

o The author is not aware of any reports of Y2K problems uncovered in
regression testing or in other field use of recent or current versions
of Postgres. We might have expected to hear about problems if they
existed, given the installed base and the active participation of users
on the support mailing lists. 

o To the best of the author' knowledge, the assumptions Postgres makes
about dates specified with a two-digit year are documented in the
current User's Guide in the chapter on data types. For two-digit years,
the significant transition year is 1970, not 2000; i.e. "70-01-01" is
interpreted as "1970-01-01", whereas "69-01-01" is interpreted as
"2069-01-01".

o Any Y2K problems in the underlying OS related to obtaining "the
current time" may propagate into apparent Y2K problems in Postgres. 

Refer to The Gnu Project and The Perl Institute for further discussion
of Y2K issues, particularly as it relates to open source, no fee
software. 


Note that in the html docs both references above contain URLs. Comments?
Suggestions?
                 - Tom


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