Luke Lonergan wrote:
> Bruce,
>
> We have a bitmap index AM in Bizgres (on PG 8.1.3) that is functional and
> achieves very worthwhile (10x+) performance and space objectives.
>
> It is a large patch, and introduces the access method along with modifying
> the appropriate executor nodes. The latter part was necessary because of
> the need to bypass the in-memory bitmap index when an on-disk bitmap is
> available.
>
> Because this patch is large, how do you suggest we go through review? Also,
> there is some further work that Jie is doing to support efficient
> multi-column indexes that will simplify the code, so we're not quite ready
> for patch submission.
Well, post a URL of the patch, and keep working on it. When it is
ready, let us know.
--
Bruce Momjian http://candle.pha.pa.us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
