code: public static void setBaseTime(final byte[] row, int base_time) {
      Bytes.setInt(row, base_time, Const.SALT_WIDTH() + 
          TSDB.metrics_width());
    }
docs: Sets the time in a raw data table row key
  @param row The row to modify
  @param base_time The base time to store
  @since 2.3