Received: from maia.hub.org (maia-3.hub.org [200.46.204.243])
	by mail.postgresql.org (Postfix) with ESMTP id 95990B5D803
	for <pgsql-admin-postgresql.org@mail.postgresql.org>;
	Tue, 27 Sep 2011 06:45:22 -0300 (ADT)
Received: from mail.postgresql.org ([200.46.204.86])
	by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia,
	port 10024) with ESMTP id 24221-05 for
	<pgsql-admin-postgresql.org@mail.postgresql.org>;
	Tue, 27 Sep 2011 09:45:16 +0000 (UTC)
X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0-rc2
Received: from mail-yx0-f174.google.com (mail-yx0-f174.google.com
	[209.85.213.174])
	by mail.postgresql.org (Postfix) with ESMTP id F2F44B5DBCD
	for <pgsql-admin@postgresql.org>; Tue, 27 Sep 2011 06:45:15 -0300 (ADT)
Received: by yxl31 with SMTP id 31so5116824yxl.19
	for <pgsql-admin@postgresql.org>; Tue, 27 Sep 2011 02:45:15 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=message-id:date:from:user-agent:mime-version:to:cc:subject
	:references:in-reply-to:content-type:content-transfer-encoding;
	bh=IIx9z07qbOssQUNTUb1SQZimGhlU3CS1rldXDUL1fds=;
	b=Naksc9tOqao3BySxhBpgpfzlO8NO6chrZA/uAk1rL8U/Y+RWCmnWeF2BzCjCu4klyR
	qyuIO0Ftvkm+GY0Pr8+n8Y+hObWnMVerZYgDvuOVB1EBevtPSg7tiqK1lxbtV7OpXhbS
	khoEFu6WaihxMFxzAGyyP0if9RKYapi8Z8FRc=
Received: by 10.68.19.100 with SMTP id d4mr35994312pbe.34.1317116715495;
	Tue, 27 Sep 2011 02:45:15 -0700 (PDT)
Received: from [192.168.1.4] ([116.231.56.18])
	by mx.google.com with ESMTPS id e8sm82805488pbc.8.2011.09.27.02.44.56
	(version=TLSv1/SSLv3 cipher=OTHER);
	Tue, 27 Sep 2011 02:45:14 -0700 (PDT)
Message-ID: <4E819AED.5040500@gmail.com>
Date: Tue, 27 Sep 2011 17:44:13 +0800
From: Rural Hunter <ruralhunter@gmail.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1;
	rv:6.0.2) Gecko/20110902 Thunderbird/6.0.2
MIME-Version: 1.0
To: Thomas Kellerer <spam_eater@gmx.net>
CC: pgsql-admin@postgresql.org
Subject: Re: Is there a list of pg pre-defined functions?
References: <4E8190A8.7030408@gmail.com> <j5s5fh$asj$1@dough.gmane.org>
In-Reply-To: <j5s5fh$asj$1@dough.gmane.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=-1.899 tagged_above=-10 required=5
	tests=BAYES_00=-1.9, FREEMAIL_FROM=0.001
X-Spam-Level: 
X-Archive-Number: 201109/198
X-Sequence-Number: 38435

great, thanks. is there any other system function besides string 
functions?

于2011年9月27日 17:37:29,Thomas Kellerer写到:
> Rural Hunter, 27.09.2011 11:00:
>> I am looking for something like a string hash function to order a 
>> string cloumn randomly.
>>
>
> It's all in the manual ;)
>
> http://www.postgresql.org/docs/current/static/functions-string.html
>
> Thomas
>
>