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From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Gerhard Häring <lists@ghaering.de>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: I want to send comments to the backend!
Date: Thu, 20 Mar 2003 12:22:17 -0500 (EST)
Message-ID: <200303201722.h2KHMH614777@candle.pha.pa.us> (raw)
In-Reply-To: <23990.1048177895@sss.pgh.pa.us>

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > It returns PGRES_NONFATAL_ERROR.  Why should this be an error?
> 
> Actually, you don't get a "res" object at all, because nothing happened.
> The only place in libpq that returns that code is PQresultStatus itself.

Yes, I see that now.  res is NULL and PQresultStatus() is returning
PGRES_NONFATAL_ERROR.  What is strange is that "" and "\n" both return
an OK result, so I am trying to figure out why comments are different.

> Perhaps PGRES_EMPTY_QUERY would be more appropriate?  Not sure where in
> the chain would be best to change the behavior, though.

Yes.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073



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