Re: A better BETWEEN for DATEs, TIMEs and TIMESTAMPs?

From: Reg Me Please <regmeplease(at)gmail(dot)com>
To: Jeff Davis <pgsql(at)j-davis(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: A better BETWEEN for DATEs, TIMEs and TIMESTAMPs?
Date: 2009-01-14 21:45:20
Message-ID: 200901142245.20610.regmeplease@gmail.com
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On Wednesday 14 January 2009 22:38:07 Jeff Davis wrote:
> On Wed, 2009-01-14 at 13:35 -0800, Jeff Davis wrote:
> > I think the best solution is to make first-class interval types (for
> > time as well as other types). Those intervals can then have operators
> > like "contains" and "contained by" which would solve your problem.
> >
> > Additionally, it would allow lots of other interesting operations, like
> > overlaps and intersects.
>
> I wrote such an interval type here, called "period" (to avoid confusion
> with the SQL INTERVAL type):
>
> http://pgfoundry.org/projects/temporal
>
> Regards,
> Jeff Davis

Jeff, I'll give your implementation a try and possibly a look to the code
itself.

I thought that was not just my personal opinion, though.

--
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weisse Streifen, grüner Rand

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