class KeyOnlyFilter extends ResultFilter {

  @Override
  public SeekingCurrentIterator getResultIterator() {
    SeekingCurrentIterator iter = super.getResultIterator();
    return new RowIdIterator(iter);
  }

  public  KeyOnlyFilter();
  public  KeyOnlyFilter(Constraint subconstraint, CRange range,
      CColumn... column);
  public  KeyOnlyFilter(TableAdapter primaryTable, CRange range,
      CColumn... columns);
  public  KeyOnlyFilter(Constraint subConstraint, CRange range);
  public  KeyOnlyFilter(Constraint subConstraint, CColumn... columns);
  public  KeyOnlyFilter(TableAdapter primaryTable, CColumn... columns);
  public  KeyOnlyFilter(TableAdapter primaryTable, CRange range);
  public  KeyOnlyFilter(TableAdapter primaryTable);

}