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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