From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
---|---|
To: | Tom Lane <tgl(at)svr1(dot)postgresql(dot)org> |
Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [COMMITTERS] pgsql: Install some slightly realistic cost estimation |
Date: | 2005-04-21 02:35:57 |
Message-ID: | 4267118D.50008@familyhealth.com.au |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-committers pgsql-hackers |
Hi Tom,
I hate to slow you down when you're coding, but it'd be cool if you
could explain to me (and other interested parties) what's going on here :)
Is this totally rad bitmap index support going in? :D Does it require
new index types or does it work with existing ones, etc?
Chris
Tom Lane wrote:
> Log Message:
> -----------
> Install some slightly realistic cost estimation for bitmap index scans.
>
> Modified Files:
> --------------
> pgsql/src/backend/nodes:
> outfuncs.c (r1.247 -> r1.248)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/nodes/outfuncs.c.diff?r1=1.247&r2=1.248)
> pgsql/src/backend/optimizer/path:
> costsize.c (r1.142 -> r1.143)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/costsize.c.diff?r1=1.142&r2=1.143)
> indxpath.c (r1.174 -> r1.175)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/indxpath.c.diff?r1=1.174&r2=1.175)
> orindxpath.c (r1.67 -> r1.68)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/orindxpath.c.diff?r1=1.67&r2=1.68)
> pgsql/src/backend/optimizer/plan:
> createplan.c (r1.180 -> r1.181)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/createplan.c.diff?r1=1.180&r2=1.181)
> pgsql/src/backend/optimizer/util:
> pathnode.c (r1.116 -> r1.117)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/pathnode.c.diff?r1=1.116&r2=1.117)
> pgsql/src/include/nodes:
> relation.h (r1.105 -> r1.106)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/nodes/relation.h.diff?r1=1.105&r2=1.106)
> pgsql/src/include/optimizer:
> cost.h (r1.64 -> r1.65)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/cost.h.diff?r1=1.64&r2=1.65)
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
> (send "unregister YourEmailAddressHere" to majordomo(at)postgresql(dot)org)
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2005-04-21 03:23:05 | Re: [COMMITTERS] pgsql: Install some slightly realistic cost estimation |
Previous Message | Tom Lane | 2005-04-21 02:28:02 | pgsql: Install some slightly realistic cost estimation for bitmap index |
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2005-04-21 03:03:45 | Re: WAL/PITR additional items |
Previous Message | Stephen Frost | 2005-04-21 02:32:37 | Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords |