@Override
    public void write(org.apache.thrift.protocol.TProtocol prot, TGetColumnsReq struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol oprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      struct.sessionHandle.write(oprot);
      java.util.BitSet optionals = new java.util.BitSet();
      if (struct.isSetCatalogName()) {
        optionals.set(0);
      }
      if (struct.isSetSchemaName()) {
        optionals.set(1);
      }
      if (struct.isSetTableName()) {
        optionals.set(2);
      }
      if (struct.isSetColumnName()) {
        optionals.set(3);
      }
      oprot.writeBitSet(optionals, 4);
      if (struct.isSetCatalogName()) {
        oprot.writeString(struct.catalogName);
      }
      if (struct.isSetSchemaName()) {
        oprot.writeString(struct.schemaName);
      }
      if (struct.isSetTableName()) {
        oprot.writeString(struct.tableName);
      }
      if (struct.isSetColumnName()) {
        oprot.writeString(struct.columnName);
      }
    }
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/TGetColumnsReq.java