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To: Michael Meskes <meskes@postgresql.org>
cc: Bosco Rama <postgres@boscorama.com>, pgsql-interfaces@postgresql.org,
	PostgreSQL Hacker <pgsql-hackers@postgresql.org>
Subject: Re: ecpg 'set' failure using host vars 
In-reply-to: <20080816083156.GA26567@feivel.credativ.de> 
References: <48A64DE5.4000906@boscorama.com>
	<20080816083156.GA26567@feivel.credativ.de>
Comments: In-reply-to Michael Meskes <meskes@postgresql.org>
	message dated "Sat, 16 Aug 2008 10:31:56 +0200"
Date: Sat, 16 Aug 2008 12:01:00 -0400
Message-ID: <14940.1218902460@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Michael Meskes <meskes@postgresql.org> writes:
> Without checking the sources it seems as if PQexecParams is not able to handle a parameter in a set command. Can anyone confirm this?

The backend only supports parameters in plannable statements, ie
SELECT/INSERT/UPDATE/DELETE.  (Possibly DECLARE CURSOR, I'm too
lazy to check.)

			regards, tom lane