private static CacheTag decodeCacheTag(LlapDaemonProtocolProtos.CacheTag ct) {
    return ct.getPartitionDescCount() == 0 ? CacheTag.build(ct.getTableName()) : CacheTag
        .build(ct.getTableName(), ct.getPartitionDescList());
  }
Internal helper class for extracting the metadata of the cache content and loading data into the cache
based on the provided metadata.
llap-server/src/java/org/apache/hadoop/hive/llap/io/api/impl/LlapCacheMetadataSerializer.java