@Override
public Iterable<? extends Field> getFieldsForColumn(String family, Column column) {
String name = getName(family, column.getName());
long date = parseDate(column.getValue());
LongField field = new LongField(name, date, _typeNotStored);
StoredField storedField = new StoredField(name, column.getValue());
List<Field> fields = new ArrayList<Field>();
fields.add(field);
fields.add(storedField);
if (isSortEnable()) {
fields.add(new NumericDocValuesField(name, date));