Re: [GENERAL] Idea for the statistics collector

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Martijn van Oosterhout <kleptog(at)svana(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [GENERAL] Idea for the statistics collector
Date: 2002-06-24 14:39:03
Message-ID: 200206241439.g5OEd3M23053@candle.pha.pa.us
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Christopher Kings-Lynne wrote:
> I was thinking of writing a command line tool like 'pgtune' that looks at
> the stats views and will generate SQL code for, or do automatically the
> following:
>
> * Dropping indices that are never used
> * Creating appropriate indices to avoid large, expensive sequential scans.
>
> This would put us in the 'mysql makes my indices for me by magic' league -
> but would be far more powerful and flexible. How to do multikey indices is
> beyond me tho.

This is a great idea. I have been wanting to do something like this
myself but probably won't get the time.

Does MySQL really make indexes by magic?

Also, I had to look up the contraction for "will not" because I always
get that confused (won't). I just found a web page on it:

http://www.straightdope.com/mailbag/mwont.html

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

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