feature request: použití COLLATE v ORDER BY

Davide, nešlo by aby u dibi fluent šlo nastavit při ORDER BY i COLLATE?

Aby se SQL generoval třeba takto:

SELECT
...
ORDER BY
  a.Identity COLLATE utf8_general_ci DESC,
  b.Name COLLATE utf8_general_ci ASC`

Zkoušel jsem:

...
->orderBy(array(
    'a.Identity' => 'COLLATE utf8_czech_ci' . dibi::ASC,
    'b.Name'     => 'COLLATE utf8_czech_ci' . dibi::ASC
))