With plperl.on_init allowing the loading of modules, might there be some
merit (and little cost) in allowing the same style of function-mapping
as with C functions?
CREATE FUNCTION add_one(integer) RETURNS integer AS 'DIRECTORY/funcs', 'add_one' LANGUAGE C STRICT;
CREATE FUNCTION add_one(integer) RETURNS integer AS 'My::Package', 'add_one' LANGUAGE plperl STRICT;
-- Richard Huxton Archonet Ltd