public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case START_ROW_OFFSET:
      if (value == null) {
        unsetStartRowOffset();
      } else {
        setStartRowOffset((java.lang.Long)value);
      }
      break;

    case ROWS:
      if (value == null) {
        unsetRows();
      } else {
        setRows((java.util.List<TRow>)value);
      }
      break;

    case COLUMNS:
      if (value == null) {
        unsetColumns();
      } else {
        setColumns((java.util.List<TColumn>)value);
      }
      break;

    case BINARY_COLUMNS:
      if (value == null) {
        unsetBinaryColumns();
      } else {
        if (value instanceof byte[]) {
          setBinaryColumns((byte[])value);
        } else {
          setBinaryColumns((java.nio.ByteBuffer)value);
        }
      }
      break;

    case COLUMN_COUNT:
      if (value == null) {
        unsetColumnCount();
      } else {
        setColumnCount((java.lang.Integer)value);
      }
      break;

    }
  }
Returns true if field columnCount 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