Re: Rtree circle ops

Tatsuo Ishii wrote:
> > Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> writes:
> > >> Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> writes:
> > >>> Is there any reason for Rtree circle ops not being included in
> > >>> PostgreSQL?
> > >>
> > >> rtree is going away (has gone away in HEAD awhile ago, in fact).
> >
> > > I know. I just want to make sure that there's any technical reason it
> > > had not been supported for long time.
> >
> > AFAIR, the code simply wasn't there before 8.1. I threw in an opclass
> > definition for circles while adding the rtree-equivalent opclasses
> > to GIST, because the use case for it was pretty obvious
> > (distance-to-a-point type queries). We could have added the same
> > opclass to rtree at the same time, but I saw no point given that we
> > were planning to drop rtree in the next release cycle.
> >
> > > BTW, I seems there are some users who are willing to continue to use
> > > Rtree.
> >
> > It's a bit late to be objecting to that decision.
>
> Yes, probably the only way to help the user would be 1) build a new
> pgfoundry or whatever open souce project 2) provide a commercial
> support for him.

I wonder why isn't an option to migrate to GiST?

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Alvaro Herrera http://www.CommandPrompt.com/
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