Re: [PATCH] Provide rowcount for utility SELECTs

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Boszormenyi Zoltan <zb(at)cybertec(dot)at>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, Hans-Juergen Schoenig <hs(at)cybertec(dot)at>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [PATCH] Provide rowcount for utility SELECTs
Date: 2009-12-28 20:18:08
Message-ID: 26441.1262031488@sss.pgh.pa.us
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Boszormenyi Zoltan <zb(at)cybertec(dot)at> writes:
> Tom Lane rta:
>> It's more the possibility of doing strcmp(tag, "SELECT") on the command

> Actually it's strncmp(tag, "SELECT ", 7), so when you mix old server
> with new clients or new server with old client, it will just work as
> before, i.e. return "".

Are you deliberately ignoring the point? We have no way to know whether
there is any client-side code that's doing a simple check for SELECT
command tag, but it's certainly possible. The fact that it wouldn't be
hard to fix does not mean that it wouldn't be broken.

regards, tom lane

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