Much.

> Looking at DBD::Oracle v0.25 it appears that OCI supports at a minimum
> piece meal return of a LOB.  That brings up the question, does it
> support retrieving the entire LOB to a file?

No, but it could be added as a default method based on readblob
which a driver could override if required.

I'd probably do it as:

	$sth->copy_blob_to_file(1, $open_file_handle);


