Re: Fuzzy cost comparison to eliminate redundant planning work

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

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Joe Conway <mail@joeconway.com>
Cc: pgsql-hackers@postgreSQL.org
Date: 2004-03-29T01:39:46Z
Lists: pgsql-hackers
Joe Conway <mail@joeconway.com> writes:
> Tom Lane wrote:
>>> + 	 * XXX does this percentage need to be user-configurable?

> ...but I think the answer to the above is yes.

I'd want to see some evidence that there's use in twiddling it ...
in my initial test, setting it to 10% instead of 1% didn't seem to
do much.

			regards, tom lane