From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Alvaro Herrera <alvherre@atentus.com>
Cc: Rod Taylor <rbt@zort.ca>
Cc: pgsql-hackers@postgresql.org
Subject: Re: [PATCHES] [SQL] 16 parameter limit
Date: Mon, 15 Apr 2002 23:44:16 -0400 (EDT)
Message-ID: <200204160344.g3G3iGg04889@candle.pha.pa.us> (raw)
In-Reply-To: <20020415233404.57d7fc01.alvherre@atentus.com>
Alvaro Herrera wrote:
> (Tom Lane says both SQL92 and SQL99 specify 128 as the maximun
> identifier length)
>
> Anyway, how does one measure the perfomance impact of such a change?
> By merely changing the constant definition, or also by actually using
> long identifiers? I can do that if it's of any help, for various values
> perhaps.
I think I would measure disk size change in a newly created database,
and run regression for various values. That uses a lot of identifier
lookups.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.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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To: pgsql-sql@postgresql.org
Cc: pgman@candle.pha.pa.us, alvherre@atentus.com, rbt@zort.ca, pgsql-hackers@postgresql.org
Subject: Re: [PATCHES] [SQL] 16 parameter limit
In-Reply-To: <200204160344.g3G3iGg04889@candle.pha.pa.us>
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