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Re: [PATCH] Provide rowcount for utility SELECTs

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Boszormenyi Zoltan <zb@cybertec.at>
Cc: Peter Eisentraut <peter_e@gmx.net>, Hans-Juergen Schoenig <hs@cybertec.at>, Pavel Stehule <pavel.stehule@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2009-12-28T20:18:08Z
Lists: pgsql-hackers 
Boszormenyi Zoltan <zb@cybertec.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