| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Greg Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Gianni Ciolli <gianni(dot)ciolli(at)2ndquadrant(dot)it>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Gabriele Bartolini <gabriele(dot)bartolini(at)2ndquadrant(dot)it> |
| Subject: | Re: Bitmap Indexes patch (was Re: Bitmap Indexes: request for feedback) |
| Date: | 2008-11-04 07:23:31 |
| Message-ID: | 1225783411.3971.1055.camel@ebony.2ndQuadrant |
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| 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 Are the comments out of date or am i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
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