public static Db_stmt Insert_stmt(Db_conn p) {
   return Db_stmt_.new_insert_(
       p, Tbl_name, Fld_lnki_id, Fld_xfer_status, Fld_xfer_bin_tid, Fld_xfer_bin_msg);
 }
 public void Rls() {
   stmt_insert = Db_stmt_.Rls(stmt_insert);
 }
 public void Rls() {
   insert_stmt = Db_stmt_.Rls(insert_stmt);
 }