X-Original-To: pgsql-interfaces-postgresql.org@localhost.postgresql.org
Received: from localhost (unknown [200.46.204.2])
	by svr1.postgresql.org (Postfix) with ESMTP id C259DD1DAFB
	for <pgsql-interfaces-postgresql.org@localhost.postgresql.org>;
	Sun, 15 Feb 2004 13:42:32 +0000 (GMT)
Received: from svr1.postgresql.org ([200.46.204.71])
	by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024)
	with ESMTP id 96282-01
	for <pgsql-interfaces-postgresql.org@localhost.postgresql.org>;
	Sun, 15 Feb 2004 09:42:33 -0400 (AST)
Received: from moutng.kundenserver.de (moutng.kundenserver.de
	[212.227.126.177])
	by svr1.postgresql.org (Postfix) with ESMTP id 108D2D1DAA6
	for <pgsql-interfaces@postgresql.org>;
	Sun, 15 Feb 2004 09:42:24 -0400 (AST)
Received: from [212.227.126.161] (helo=mrelayng.kundenserver.de)
	by moutng.kundenserver.de with esmtp (Exim 3.35 #1)
	id 1AsMXY-0007sI-00
	for pgsql-interfaces@postgresql.org; Sun, 15 Feb 2004 14:42:32 +0100
Received: from [80.142.186.34] (helo=fam-meskes.de)
	by mrelayng.kundenserver.de with asmtp (Exim 3.35 #1)
	id 1AsMXY-0006SY-00; Sun, 15 Feb 2004 14:42:32 +0100
Received: from feivel (feivel.fam-meskes.de [172.26.14.14])
	by fam-meskes.de (Postfix) with ESMTP
	id 1F4A510EF3D; Sun, 15 Feb 2004 14:42:26 +0100 (CET)
Received: by feivel (Postfix, from userid 1000)
	id 154484B11A; Sun, 15 Feb 2004 14:42:25 +0100 (CET)
Date: Sun, 15 Feb 2004 14:42:25 +0100
From: Michael Meskes <meskes@postgresql.org>
To: =?utf-8?Q?J=C3=BCrgen?= Cappel <email@juergen-cappel.de>
Cc: pgsql-interfaces <pgsql-interfaces@postgresql.org>
Subject: Re: ECPG Segfault and variable usage question.
Message-ID: <20040215134225.GA13602@1>
Mail-Followup-To: =?utf-8?Q?J=C3=BCrgen?= Cappel <email@juergen-cappel.de>,
	pgsql-interfaces <pgsql-interfaces@postgresql.org>
References: <JEEKIPNAKJNCFLMOBKHGAEEEDCAA.email@juergen-cappel.de>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <JEEKIPNAKJNCFLMOBKHGAEEEDCAA.email@juergen-cappel.de>
User-Agent: Mutt/1.5.5.1+cvs20040105i
Content-Transfer-Encoding: quoted-printable
X-Provags-ID: kundenserver.de abuse@kundenserver.de
	auth:da5cff6069dd6897c77170232368d0ba
X-Virus-Scanned: by amavisd-new at postgresql.org
X-Archive-Number: 200402/38
X-Sequence-Number: 4731

On Thu, Feb 12, 2004 at 08:00:12PM +0100, J=C3=BCrgen Cappel wrote:
> this is a code snippet that causes ECPG to segfault. It's quite tricky

I took this code as a.pgc and ran 'ecpg a.pgc' without any problem. Do
you use any special options for ecpg?

> Stack trace was obtained using a snapshot from about 2 weeks ago, ECPG fr=
om
> the 7.4.1 release segfaults also.

Hmm, my 7.4.1 version also compiles this snippet cleanly.

> Another problem that's giving me headaches trying to find a workaround for
> is the following use of variables as data sources in INSERT/UPDATE
> statements:
>=20
> 	:myarray[index[10]]
>=20
> Any comments, suggestions, hints ?   Thanks a lot,

Could you please try if the following patch helps you?

--- /home/postgres/pgsql-ecpg/preproc/pgc.l	2003-12-29 14:53:04.000000000 +=
0100
+++ pgc.l	2004-02-15 14:38:43.000000000 +0100
@@ -183,7 +183,7 @@
=20
 identifier		{ident_start}{ident_cont}*
=20
-array			({ident_cont}|{whitespace}|[\+\-\*\%\/\(\)])*
+array			({ident_cont}|{whitespace}|[\[\]\+\-\*\%\/\(\)])*
 typecast		"::"
=20
 /*

This will make it into CVS soon.

Michael
--=20
Michael Meskes
Email: Michael at Fam-Meskes dot De
ICQ: 179140304, AIM/Yahoo: michaelmeskes, Jabber: meskes@jabber.org
Go SF 49ers! Go Rhein Fire! Use Debian GNU/Linux! Use PostgreSQL!