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Message-ID: <003f01c2ff40$9f1a0e70$7c28a8c0@cblan.mblox.com>
From: "Peter Galbavy" <peter.galbavy@knowtion.net>
To: <pgsql-hackers@postgreSQL.org>,
	<pgsql-interfaces@postgreSQL.org>, "Tom Lane" <tgl@sss.pgh.pa.us>
References: <10478.1049927451@sss.pgh.pa.us>
Subject: Re: More thoughts about FE/BE protocol
Date: Thu, 10 Apr 2003 10:07:32 +0100
Organization: Knowtion Ltd.
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Tom Lane wrote:
> I'm coming around to the idea that the cleanest solution is to require
> *all* protocol messages, in both directions, to have an initial length
> word.  That is, the general message format would look like
> <message type> 1 byte
> <payload length> number of following bytes (4 bytes MSB-first)
> ... message data as needed ...

Is there any message - speaking from a standpoint of a normal user and not a
source hacker WRT postgresql - where knowing the length of the response is
either unknown or is expensive (in buffering) to find out ? This would be
the only disadvantage I can immediately see.

Sorry if I have the wrong end of the stick.

Peter