@Override
  public int hashCode() {
    int hashCode = 1;

    hashCode = hashCode * 8191 + ((isSetSessionHandle()) ? 131071 : 524287);
    if (isSetSessionHandle())
      hashCode = hashCode * 8191 + sessionHandle.hashCode();

    hashCode = hashCode * 8191 + ((isSetTableName()) ? 131071 : 524287);
    if (isSetTableName())
      hashCode = hashCode * 8191 + tableName.hashCode();

    hashCode = hashCode * 8191 + ((isSetQuery()) ? 131071 : 524287);
    if (isSetQuery())
      hashCode = hashCode * 8191 + query.hashCode();

    hashCode = hashCode * 8191 + ((isSetFormat()) ? 131071 : 524287);
    if (isSetFormat())
      hashCode = hashCode * 8191 + format.hashCode();

    hashCode = hashCode * 8191 + ((isSetDownloadOptions()) ? 131071 : 524287);
    if (isSetDownloadOptions())
      hashCode = hashCode * 8191 + downloadOptions.hashCode();

    return hashCode;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TDownloadDataReq.java