Re: gincostestimate

Teodor Sigaev <teodor@sigaev.ru>

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From: Teodor Sigaev <teodor@sigaev.ru>

To: Tom Lane <tgl@sss.pgh.pa.us>

Cc: Jan Urbański <wulczer@wulczer.org>, Oleg Bartunov <oleg@sai.msu.su>, Pgsql Hackers <pgsql-hackers@postgresql.org>

Date: 2010-09-07T16:02:11Z

Lists: pgsql-hackers

Attachments

gincostestimate-0.24.gz (application/x-tar)

> I also dropped the use of rd_amcache, instead having ginGetStats()
Ok, I'm agree

> I didn't do anything about the questionable equations in
> gincostestimate.  Those need to either be fixed, or documented as
> to why they're correct.  Other than that I think this could be
> committed.

Fixed, and slightly reworked to be more clear.
Attached patch is based on your patch.

-- 
Teodor Sigaev                                   E-mail: teodor@sigaev.ru
                                                    WWW: http://www.sigaev.ru/