text: DROP INDEX hydra_oauth2_access_request_id_idx;
  DROP INDEX hydra_oauth2_refresh_request_id_idx;
  
  CREATE UNIQUE INDEX hydra_oauth2_access_request_id_idx ON hydra_oauth2_access (request_id);
  CREATE UNIQUE INDEX hydra_oauth2_refresh_request_id_idx ON hydra_oauth2_refresh (request_id);
  
  DROP INDEX hydra_oauth2_code_request_id_idx;
  DROP INDEX hydra_oauth2_oidc_request_id_idx;
  DROP INDEX hydra_oauth2_pkce_request_id_idx;
  