class DistinctQueryResult implements QueryResult {

    @Override
    public final boolean next() {
        if (resultData.hasNext()) {
            currentRow = resultData.next();
            return true;
        }
        currentRow = null;
        return false;
    }

    public  DistinctQueryResult(final Collection<QueryResult> queryResults, final List<String> distinctColumnLabels);

}