The correct function is:
CREATE function anyo_hidro (date) returns int AS ' BEGIN RETURN date_part(''month'',$1); END;
' LANGUAGE 'plpgsql';
By the way: Do you know what 'RTFM' means?
Salvador Mainé escribió:
>
> Hello:
>
> I'm trying to define a function that, given a date, returns its month.
> The definition is as follows:
>
> CREATE function anyo_hidro (date) returns int AS '
> BEGIN
> RETURN date_part("month",$1);
> END;
> ' LANGUAGE 'plpgsql';
>
> But when I do:
>
> select anyo_hidro('1-1-1999');
>
> I get the following error:
>
> ERROR: Attribute 'month' not found
>
> Why doesn't date_part work with pl/sql functions?
>
> Thanks
>
> --
> Salvador Maine
> http://www.ronincoders.com
--
Salva