Re: [COMMITTERS] pgsql: Install some slightly realistic cost estimation

Поиск
Список
Период
Сортировка
От Christopher Kings-Lynne
Тема Re: [COMMITTERS] pgsql: Install some slightly realistic cost estimation
Дата
Msg-id 4267118D.50008@familyhealth.com.au
обсуждение исходный текст
Ответы Re: [COMMITTERS] pgsql: Install some slightly realistic cost estimation  (Tom Lane <tgl@sss.pgh.pa.us>)
Список 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@postgresql.org)


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Stephen Frost
Дата:
Сообщение: Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords
Следующее
От: Paul Tillotson
Дата:
Сообщение: Re: Postgres: pg_hba.conf, md5, pg_shadow, encrypted passwords