public byte[] getBinaryColumns() {
    setBinaryColumns(org.apache.thrift.TBaseHelper.rightSize(binaryColumns));
    return binaryColumns == null ? null : binaryColumns.array();
  }
Returns true if field columns is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TRowSet.java