Re: function error

Travis Hoyt wrote:
> 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';
   What  about using a language that actually supports the above   syntax, like plpgsql?


Jan

>
> 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


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