From: Bruce Momjian <bruce@momjian.us>
Message-Id: <201003222247.o2MMlYI17160@momjian.us>
Subject: Re: insert in function writen in pgplsql
In-Reply-To: <e4edc9361003191216o34904967o7865a1dab35a4d6c@mail.gmail.com>
To: Szymon Guz <mabewlun@gmail.com>
Date: Mon, 22 Mar 2010 18:47:34 -0400 (EDT)
CC: Tom Lane <tgl@sss.pgh.pa.us>, Julius Tuskenis <julius@nsoft.lt>,
	pgsql-admin@postgresql.org
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Szymon Guz wrote:
> 2010/3/19 Tom Lane <tgl@sss.pgh.pa.us>
> 
> > Szymon Guz <mabewlun@gmail.com> writes:
> > > You won't have to change the parameters in the function definition,
> > instead
> > > you can use the RENAME clause:
> >
> > > CREATE OR REPLACE FUNCTION add_user(user varchar(20), password
> > varchar(20) )
> > > RETURNS VOID AS $$
> > > DECLARE
> > >   RENAME user TO x_user;
> > >   RENAME pa TO x_password;
> > > BEGIN
> >
> > I wouldn't recommend relying on that, because RENAME has been removed in
> > 9.0.  I'm not convinced that it would have worked as desired in previous
> > versions either.
> >
> >                        regards, tom lane
> >
> 
> Is alias also removed?
> I've checked that and it works in 8.4

ALIAS is the recommended replacement for RENAME:

	http://developer.postgresql.org/pgdocs/postgres/release-9-0.html

	o Remove PL/pgSQL's RENAME declaration option (Tom)
	
	Instead, use ALIAS, which can now alias any variable, not just dollar
	sign variables, e.g. $1. 

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  PG East:  http://www.enterprisedb.com/community/nav-pg-east-2010.do