Re: Rtree circle ops

Tatsuo Ishii wrote:
> > Tatsuo Ishii <ishii@sraoss.co.jp> writes:
> > >> Tatsuo Ishii <ishii@sraoss.co.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?

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.