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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