public static StorageDescriptor resolveStorageDescriptor(Table t, Partition p) {
    return (p == null) ? t.getSd() : p.getSd();
  }
Get the compactor queue name if it's defined.
@param conf global hive conf
@param ci compaction info object
@param table instance of table
@return name of the queue
ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/CompactorUtil.java