public CompactionQueryBuilder setOrderByClause(String orderByClause) {
    this.orderByClause = orderByClause;
    return this;
  }
Sets the order by clause for a rebalancing compaction. It will be used to re-order the data in the table during
the compaction.
@param orderByClause The ORDER BY clause to use for data reordering.
ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/CompactionQueryBuilder.java