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Re: Rtree circle ops

From: Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>
To: tgl(at)sss(dot)pgh(dot)pa(dot)us
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Rtree circle ops
Date: 2006-08-29 00:23:54
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Lists: pgsql-hackers
> 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.
Tatsuo Ishii
SRA OSS, Inc. Japan

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