@Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + Arrays.hashCode(tileData);
      result = prime * result + Objects.hash(tileDataId);
      return result;
    }
Contents of a row of the tiles_data table.
planetiler-core/src/main/java/com/onthegomap/planetiler/mbtiles/Mbtiles.java