Re: anti-join chosen even when slower than old plan

From: Mladen Gogala <mladen(dot)gogala(at)vmsinfo(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: anti-join chosen even when slower than old plan
Date: 2010-11-11 18:11:01
Message-ID: 4CDC31B5.1060809@vmsinfo.com
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Tom Lane wrote:
> More knobs and buttons is the Oracle way,

True. Very true.

> and the end result of that
> process is that you have something as hard to use as Oracle.

Also, you end up with something which is extremely reliable and
adjustable to variety of conditions.

> That's
> generally not thought of as desirable in this community.
>
> regards, tom lane
>
Allow me to play the devil's advocate again. This community is still
much, much smaller than even the MySQL community, much less Oracle's
community. If growth of the community is the goal, copying a page or two
from the Oracle's book, looks like a good idea to me. The only thing I
dislike about Oracle is its price, not its complexity.

--

Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
http://www.vmsinfo.com
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