Обсуждение: Cygwin 7.1RC2 timestamp Regression Test Failures

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Cygwin 7.1RC2 timestamp Regression Test Failures

От
Jason Tishler
Дата:
While running the regression tests to investigate other issues, I noticed
a repeated failure that I had not seen before 7.1RC2.  The timestamp
test now always fails.  See attached for details.

Could this be a Day Light Savings issue?  Or, a problem with 7.1RC2?

Thanks,
Jason

--
Jason Tishler
Director, Software Engineering       Phone: +1 (732) 264-8770 x235
Dot Hill Systems Corp.               Fax:   +1 (732) 264-8798
82 Bethany Road, Suite 7             Email: Jason.Tishler@dothill.com
Hazlet, NJ 07730 USA                 WWW:   http://www.dothill.com

Вложения

Re: Cygwin 7.1RC2 timestamp Regression Test Failures

От
Bruce Momjian
Дата:
Yes, I think daylight savings.  Try again tomorrow.

> While running the regression tests to investigate other issues, I noticed
> a repeated failure that I had not seen before 7.1RC2.  The timestamp
> test now always fails.  See attached for details.
>
> Could this be a Day Light Savings issue?  Or, a problem with 7.1RC2?
>
> Thanks,
> Jason
>
> --
> Jason Tishler
> Director, Software Engineering       Phone: +1 (732) 264-8770 x235
> Dot Hill Systems Corp.               Fax:   +1 (732) 264-8798
> 82 Bethany Road, Suite 7             Email: Jason.Tishler@dothill.com
> Hazlet, NJ 07730 USA                 WWW:   http://www.dothill.com

[ Attachment, skipping... ]

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  Bruce Momjian                        |  http://candle.pha.pa.us
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Re: Cygwin 7.1RC2 timestamp Regression Test Failures

От
Tom Lane
Дата:
Jason Tishler <Jason.Tishler@dothill.com> writes:
> While running the regression tests to investigate other issues, I noticed
> a repeated failure that I had not seen before 7.1RC2.  The timestamp
> test now always fails.  See attached for details.

See
http://www.postgresql.org/devel-corner/docs/postgres/regress.html#AEN14359

Specifically:

: Some of the queries in the "timestamp" test will fail if you run the
: test on the day of a daylight-savings time changeover, or the day before
: or after one. These queries assume that the intervals between midnight
: yesterday, midnight today and midnight tomorrow are exactly twenty-four
: hours -- which is wrong if daylight-savings time went into or out of
: effect meanwhile.

            regards, tom lane

Re: Cygwin 7.1RC2 timestamp Regression Test Failures

От
Jason Tishler
Дата:
Tom,
Bruce,

On Mon, Apr 02, 2001 at 06:33:40PM -0400, Tom Lane wrote:
> Jason Tishler <Jason.Tishler@dothill.com> writes:
> > While running the regression tests to investigate other issues, I noticed
> > a repeated failure that I had not seen before 7.1RC2.  The timestamp
> > test now always fails.  See attached for details.
>
> Specifically:
>
> : Some of the queries in the "timestamp" test will fail if you run the
> : test on the day of a daylight-savings time changeover, or the day before
> : or after one. These queries assume that the intervals between midnight
> : yesterday, midnight today and midnight tomorrow are exactly twenty-four
> : hours -- which is wrong if daylight-savings time went into or out of
> : effect meanwhile.

Thanks for the responses.  The timestamp test ran without failures today.

Jason

--
Jason Tishler
Director, Software Engineering       Phone: +1 (732) 264-8770 x235
Dot Hill Systems Corp.               Fax:   +1 (732) 264-8798
82 Bethany Road, Suite 7             Email: Jason.Tishler@dothill.com
Hazlet, NJ 07730 USA                 WWW:   http://www.dothill.com