X-Original-To: pgsql-sql-postgresql.org@localhost.postgresql.org
Received: from localhost (unknown [200.46.204.2])
	by svr1.postgresql.org (Postfix) with ESMTP id A79E6D1DD2C
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Wed, 18 Feb 2004 00:16:48 +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 07409-06
	for <pgsql-sql-postgresql.org@localhost.postgresql.org>;
	Tue, 17 Feb 2004 20:16:50 -0400 (AST)
Received: from mail1.ihs.com (mail1.ihs.com [170.207.70.222])
	by svr1.postgresql.org (Postfix) with ESMTP id 85B32D1DD51
	for <pgsql-sql@postgresql.org>; Tue, 17 Feb 2004 20:16:46 -0400 (AST)
Received: from css120.ihs.com (css120.ihs.com [170.207.105.120])
	by mail1.ihs.com (8.12.10/8.12.10) with ESMTP id i1I0EFVo026655;
	Tue, 17 Feb 2004 17:14:45 -0700 (MST)
Date: Tue, 17 Feb 2004 17:07:24 -0700 (MST)
From: "scott.marlowe" <scott.marlowe@ihs.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: elein <elein@varlena.com>, "news.postgresql.org" <jlim@natsoft.com.my>,
	<pgsql-sql@postgresql.org>
Subject: Re: CHAR(n) always trims trailing spaces in 7.4
In-Reply-To: <18872.1077061249@sss.pgh.pa.us>
Message-ID: <Pine.LNX.4.33.0402171706530.31955-100000@css120.ihs.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-IHS-MailScanner: Found to be clean
X-IHS-MailScanner-SpamCheck: 
X-Virus-Scanned: by amavisd-new at postgresql.org
X-Archive-Number: 200402/235
X-Sequence-Number: 16925

On Tue, 17 Feb 2004, Tom Lane wrote:

> elein <elein@varlena.com> writes:
> > This is an example of the problem.  It used to expand
> > the middle thing to 15.
> 
> > elein=# select 'x' || ' '::char(15) || 'x';
> >  ?column? 
> > ----------
> >  xx
> > (1 row)
> 
> Still does, but then the spaces go away again when the value goes into
> the concatenation, because concatenation is a text operator.

But then this:

select 'x'||' '||'x'

should produce xx, but it produces x x.