Received: from sss.pgh.pa.us (sss.pgh.pa.us [216.151.103.158])
	by postgresql.org (8.11.3/8.11.1) with ESMTP id f482v6A03945
	for <pgsql-interfaces@postgresql.org>;
	Mon, 7 May 2001 22:57:06 -0400 (EDT)
	(envelope-from tgl@sss.pgh.pa.us)
Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1])
	by sss.pgh.pa.us (8.11.3/8.11.3) with ESMTP id f482uxR26911;
	Mon, 7 May 2001 22:56:59 -0400 (EDT)
To: Randall Perry <rgp@systame.com>
cc: pgsql-interfaces@postgresql.org
Subject: Re: how to use $result->ruseltStatus 
In-reply-to: <B71CCE41.B1D3%rgp@systame.com> 
References: <B71CCE41.B1D3%rgp@systame.com>
Comments: In-reply-to Randall Perry <rgp@systame.com>
	message dated "Mon, 07 May 2001 22:12:18 -0400"
Date: Mon, 07 May 2001 22:56:59 -0400
Message-ID: <26908.989290619@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Archive-Number: 200105/32
X-Sequence-Number: 1558

Randall Perry <rgp@systame.com> writes:
> I want to make sure queries returned aren't empty.

Check the number of rows returned (after checking for OK
resultStatus).

> But it returns '2' (not sure which constant it is, but it's not
> PGRES_EMPTY_QUERY) on empty queries.

PGRES_EMPTY_QUERY means you sent an empty string as the query, eg
	$conn->exec("");
This is pretty useless, and is distinguished only for historical
reasons...

			regards, tom lane