}
public boolean findIndexRow(String table, String rowKey, byte[] key) {
Select selectQuery = QueryBuilder.select().all().from(keys, table).allowFiltering();
//Where whereClause = Cql3Util.createRowQuery(from, to, columnMeta, selectQuery, rowKeyString);
Where selectWhere = selectQuery.where();
Clause rkClause = QueryBuilder.eq("id", rowKey);
selectWhere.and(rkClause);
Clause keyClause = QueryBuilder.lte("colvalue", ByteBuffer.wrap(key));
selectWhere.and(keyClause);
Query query = selectWhere.limit(1);