Has anyone come up with a work-around for the capitalization of non C-locale letters?

select productname, upper(productname) from products
gives this:

Gustaf's Knäckebröd                         GUSTAF'S KNäCKEBRöD
Tunnbröd                                    TUNNBRöD
Gumbär Gummibärchen                         GUMBäR GUMMIBäRCHEN
Tourtière                                   TOURTIèRE
Pâté chinois                                PâTé CHINOIS
Sirop d'érable                              SIROP D'éRABLE
Röd Kaviar                                  RöD KAVIAR
Rhönbräu Klosterbier                        RHöNBRäU KLOSTERBIER
Lakkalikööri                                LAKKALIKööRI
Original Frankfurter grüne Soße             ORIGINAL FRANKFURTER GRüNE SOßE

Which is failing the regression.