Re: Bitmap Indexes patch (was Re: Bitmap Indexes: request for feedback)
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndQuadrant.com>
To: Greg Stark <stark@enterprisedb.com>
Cc: Gianni Ciolli <gianni.ciolli@2ndquadrant.it>, PostgreSQL-development <pgsql-hackers@postgresql.org>, Gabriele Bartolini <gabriele.bartolini@2ndquadrant.it>
Date: 2008-11-04T07:23:31Z
Lists: pgsql-hackers
On Mon, 2008-11-03 at 23:28 +0000, Simon Riggs wrote: > On Mon, 2008-11-03 at 17:37 -0500, Greg Stark wrote: > > > There are a lot of comments in the code which imply that vacuuming is > > not implemented but in fact from what I can see it is -- sort of. It > > does rewrite the bitmap in bmbulkdelete but it doesn't have to rebuild > > the index from scratch. Are the comments out of date or am i > > misunderstanding them or the code? How complete is the vacuum > > implementation? > > As I understood it, complete. Looking at the code, it looks like my understanding was complete-ly wrong and your comments seem accurate. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support