| From: | "Thomas G(dot) Lockhart" <lockhart(at)alumni(dot)caltech(dot)edu> |
|---|---|
| To: | Andrew Martin <martin(at)biochemistry(dot)ucl(dot)ac(dot)uk> |
| Cc: | "Meskes, Michael" <meskes(at)topsystem(dot)de>, "'The Hermit Hacker'" <scrappy(at)hub(dot)org>, "Frederick W(dot) Reimer" <Fred(dot)Reimer(at)ctg(dot)hboc(dot)com>, hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Re: [PORTS] v6.3 release ToDo list and supported p |
| Date: | 1998-02-17 15:29:11 |
| Message-ID: | 34E9ACC7.7EEF0A1A@alumni.caltech.edu |
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| Lists: | pgsql-hackers |
> I just checked the changelogs and Debian has integrated lots of upstream
> patches into glibc-2.0.6. So maybe this wasn't fixed before 2.0.6. I'm
> currently running 2.0.7pre1 and that one is fine.
Andrew, could you add this to the Linux FAQ? The problem statement is:
Q:
Why do I get funny rounding results in some date/time arithmetic, such as
select '4 hours'::timespan;
returning '3 hours 59 minutes 60 seconds'?
A:
You are running the new glibc2 libraries and have a version earlier than
2.0.7. It is a math rounding problem in the library. Upgrade your library.
And, it seems to me that we should avoid those platform-specific patches
which were discussed to try getting this to work with the buggy versions of
these libraries...
- Tom
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