Xapian::Query (Xapian::Query::OP_VALUE_GE, 0, Xapian::sortable_serialise ((double) from)),
Xapian::Query (Xapian::Query::OP_VALUE_LE, 0, Xapian::sortable_serialise ((double) to)));
}
Xapian::Query (Xapian::Query::OP_VALUE_GE, 0, Xapian::sortable_serialise ((double) from)),
Xapian::Query (Xapian::Query::OP_VALUE_LE, 0, Xapian::sortable_serialise ((double) to)));
}