pgsql-server: Adjust cost_nonsequential_access() to have more reasonable

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server: Adjust cost_nonsequential_access() to have more reasonable
Date: 2004-06-10 21:02:01
Message-ID: 20040610210201.A3A3AD1B209@svr1.postgresql.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers

Log Message:
-----------
Adjust cost_nonsequential_access() to have more reasonable behavior
when random_page_cost has a small value. Per Manfred Koizar, though
I didn't use his equation exactly.

Modified Files:
--------------
pgsql-server/src/backend/optimizer/path:
costsize.c (r1.130 -> r1.131)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/optimizer/path/costsize.c.diff?r1=1.130&r2=1.131)

Browse pgsql-committers by date

  From Date Subject
Next Message Bruce Momjian 2004-06-10 22:20:54 pgsql-server: More quoting cleanups for Win32's pg_ctl.
Previous Message Bruce Momjian 2004-06-10 19:04:50 pgsql-server: Done: > * -Print table names with constraint names in