presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/DatabaseShardManager.java/ShardStats/ShardStats
class ShardStats:        public ShardStats(long rowCount, long compressedSize, long uncompressedSize)
        {
            this.rowCount = rowCount;
            this.compressedSize = compressedSize;
            this.uncompressedSize = uncompressedSize;
        }