> That mechanism allowed the very clever (ambitious? overly
> eager? utterly insane?) programmer to write UDF's that were
> data type independent. There has been no great clamor
> for datatype independence from the user base, but there
> is frequent complaint about the absence of null handling.

I recall some clamor and I would like to add to the clamor for UDF's
becoming based upon descriptors.

I have not bothered doing anything with UDF's because they are essentially
worthless to me if I cannot consider nulls and have some flexibility in
regard to data types.

FWIW,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com