Re: Error with functions

> Hey,
> create or replace function sample(varchar,int) returns varchar as'
> declare
>         data alias for $1;
>         size alias for $2;
> begin
>         return  substr(data,(length(data)-size)+1,length(data));
> end;
> ' language 'plpgsql';
> ____________________________
> WARNING:  plpgsql: ERROR during compile of sample near line 2
> ERROR:  parse error at or near ";"
> 
> Can any body tell me why is this error coming

Really?
I got no error and select sample('nothing',3) gave mi 'ing'
What is your postgresql version?

Regards,
Tomasz Myrta