public Object clone() throws CloneNotSupportedException {
TableDesc desc = (TableDesc) super.clone();
desc.builder = TableDescProto.newBuilder();
desc.tableName = tableName;
desc.schema = (Schema) schema.clone();
desc.meta = (TableMeta) meta.clone();
desc.uri = uri;
desc.stats = stats != null ? (TableStats) stats.clone() : null;
desc.partitionMethodDesc =
partitionMethodDesc != null ? (PartitionMethodDesc) partitionMethodDesc.clone() : null;
return desc;
}
