Re: On-disk bitmap index patch - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: On-disk bitmap index patch
Date
Msg-id 200607291331.k6TDVV415624@momjian.us
Whole thread Raw
In response to Re: On-disk bitmap index patch  ("Luke Lonergan" <LLonergan@greenplum.com>)
Responses Re: On-disk bitmap index patch
List pgsql-hackers
Luke Lonergan wrote:
> Mark, 
> 
> > -----Original Message-----
> > From: mark@mark.mielke.cc [mailto:mark@mark.mielke.cc] 
> > Sent: Friday, July 28, 2006 9:26 PM
> > 
> > But irrefutable? Irrefutable is not true. :-)
> 
> How about unrefuted.  The evidence has not been refuted, and not
> directly discussed or discounted.
> 
> BTREE can not be optimized to produce the results we've presented, the
> discussion about char(n) datatypes was irrelevant as we had shown
> results for INT, numeric and char/varchar and they were all dramatically
> better than BTREE.
> 
> I am hopeful this discussion takes a rapid turn toward the quantitative
> assessment of the results.

Right.  People need a patch to test on their workloads, and analysis can
be done after feature freeze.

--  Bruce Momjian   bruce@momjian.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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