Received: from maia.hub.org (unknown [200.46.204.183])
	by mail.postgresql.org (Postfix) with ESMTP id 05A3B6359F9
	for <pgsql-sql-postgresql.org@mail.postgresql.org>;
	Sat, 13 Mar 2010 23:23:22 -0400 (AST)
Received: from mail.postgresql.org ([200.46.204.86])
	by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia,
	port 10024) with ESMTP id 54978-03-4 for
	<pgsql-sql-postgresql.org@mail.postgresql.org>;
	Sun, 14 Mar 2010 03:23:10 +0000 (UTC)
X-Greylist: from auto-whitelisted by SQLgrey-1.7.6
Received: from ananke.wxnz.net (ananke.wxnz.net [58.28.4.122])
	by mail.postgresql.org (Postfix) with ESMTP id 92A6F6360D4
	for <pgsql-sql@postgresql.org>; Sat, 13 Mar 2010 23:21:11 -0400 (AST)
Received: from gonzo (ip-118-90-139-59.xdsl.xnet.co.nz [118.90.139.59])
	by ananke.wxnz.net (Postfix) with ESMTP id 08893170504
	for <pgsql-sql@postgresql.org>; Sun, 14 Mar 2010 16:21:06 +1300 (NZDT)
Received: from news by gonzo with local (Exim 4.69)
	(envelope-from <news@reversiblemaps.ath.cx>) id 1NqeO1-00022d-Ia
	for pgsql-sql@postgresql.org; Sun, 14 Mar 2010 16:21:05 +1300
To: pgsql-sql@postgresql.org
Path: not-for-mail
From: Jasen Betts <jasen@xnet.co.nz>
Newsgroups: gmane.comp.db.postgresql.sql
Subject: Re: Private functions
Date: 14 Mar 2010 03:21:05 GMT
Organization: Dis (not Dat) Organisation
Lines: 8
Message-ID: <hnhkn1$7ks$2@reversiblemaps.ath.cx>
References: <4B9BD20B.9090601@gmail.com>
NNTP-Posting-Host: localhost
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Trace: reversiblemaps.ath.cx 1268536865 7836 127.0.0.1 (14 Mar 2010 03:21:05
	GMT)
X-Face: ?)Aw4rXwN5u0~$nqKj`xPz>xHCwgi^q+^?Ri*+R(&uv2=E1Q0Zk(>h!~o2ID@6{uf8s; a
	+M[5[U[QT7xFN%^gR"=tuJw%TXXR'Fp~W;
	(T"1(739R%m0Yyyv*gkGoPA.$b,D.w:z+<'"=-lVT?6
	{T?=R^:W5g|E2#EhjKCa+nt":4b}dU7GYB*HBxn&Td$@f%.kl^:7X8rQWd[NTc"P"u6nkisze/Q;
	8 "9Z{peQF,w)7UjV$c|RO/mQW/NMgWfr5*$-Z%u46"/00mx-,\R'fLPe.)^
User-Agent: slrn/pre1.0.0-2 (Linux)
X-Virus-Scanned: Maia Mailguard 1.0.1
X-Spam-Status: No, hits=0.001 tagged_above=-10 required=5 tests=BAYES_50=0.001
X-Spam-Level: 
X-Archive-Number: 201003/71
X-Sequence-Number: 33778

On 2010-03-13, Gianvito Pio <pio.gianvito@gmail.com> wrote:
> Hi all,
> is there a way to write a function that can only be called by another 
> function but not directly using SELECT function_name ( )?

not really.

but there may be another way to get the effect you want.