Re: function error

Needs a FOR!!

system          ALIAS FOR $1;

Strange that the sample is wrong?


http://www.pgexplorer.com


----- Original Message -----
From: "Travis Hoyt" <thoyt@npc.net>
To: <pgsql-sql@postgresql.org>
Sent: Wednesday, March 27, 2002 9:59 PM
Subject: [SQL] function error


> CREATE FUNCTION biwklyavg(text, text, text) RETURNS numeric AS '
>         DECLARE
>                 system          ALIAS $1;
>                 startdate       ALIAS $2;
>                 enddate         ALIAS $3;
>                 result          numeric;
>
>         BEGIN
>                 result := (select (avg(usr) + avg(sys)) from sardata where
> systemid = system
>                         and time between startdate and enddate;
>         END;
> ' LANGUAGE 'sql';
>
> Hello,
>
> The fuction listed above gives the following error:
>
> ERROR:  parser: parse error at or near "alias"
>
> I'm running v7.2.  Any ideas?  I pulled this directly from the examples in
> the PostgreSQL Developer's Handbook.
>
> Thanks,
>
> Travis
>