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From: Szymon Guz <mabewlun@gmail.com>
To: Julius Tuskenis <julius@nsoft.lt>
Cc: pgsql-admin@postgresql.org
Subject: Re: insert in function writen in pgplsql
Date: Fri, 19 Mar 2010 18:27:16 +0100
Message-ID: <e4edc9361003191027j785b8ba1oc5d5e7e0f59fe076@mail.gmail.com> (raw)
In-Reply-To: <4BA37FF5.8060001@nsoft.lt>
References: <4BA37FF5.8060001@nsoft.lt>

2010/3/19 Julius Tuskenis <julius@nsoft.lt>

> Hello
>
> lets say I have a function add_user(user varchar(20), password
> varchar(20)). In its body I want to have statement INSERT INTO
> my_users(user, password) VALUES (user, password); The problem is I cant -
> then I try to create such function I get "ERROR:  syntax error at or near
> "$1"
> LINE 1: INSERT INTO my_users(  $1 .... " This tells me the parameter is
> used instead of column name. That is of course not what I wanted. What would
> you recommend to fix this? Is there any way to tell the postgres that user
> is column name? I tried "user" with same error. Must I change the names of
> parameters?
>
> using PG 8.3
>
>
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
  INSERT INTO my_users(user, password) VALUES (x_user, x_password);
END; LANGUAGE plgpsql;

regards
Szymon

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  Subject: Re: insert in function writen in pgplsql
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