public void setBinaryColumns(byte[] binaryColumns) {
    this.binaryColumns = binaryColumns == null ? (java.nio.ByteBuffer)null   : java.nio.ByteBuffer.wrap(binaryColumns.clone());
  }
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