public static void Stop() {
   m_perksDB.freeDatabase();
 }
  private static void UpgradeDatabases() {

    File buildFile = FindDatabase("Build.sqlite");
    if (buildFile != null) {

      BukkitDatabase tempDb =
          bDatabaseManager.createDatabase("Build", PerkUtils.plugin, DatabaseType.SQLite);

      // select every property from the table
      String query = "SELECT * FROM build";
      ResultSet result = tempDb.queryResult(query);

      try {
        // while we have another result, read in the data
        while (result.next()) {
          String worldName = result.getString("world");
          String playerName = result.getString("player");

          int x = result.getInt("x");
          int y = result.getInt("y");
          int z = result.getInt("z");
          int pitch = result.getInt("pitch");
          int yaw = result.getInt("yaw");

          World world = PerkUtils.plugin.getServer().getWorld(worldName);
          if (world == null) continue;

          Location loc = new Location(world, x, y, z, yaw, pitch);

          tpLocation newHome = new tpLocation();
          newHome.playername = playerName;
          newHome.loc = loc;
          builds.add(newHome);
          AddBuild(playerName, loc);
        }
      } catch (SQLException e) {
        e.printStackTrace();
        return;
      }
      tempDb.freeResult(result);
      tempDb.freeDatabase();

      buildFile.renameTo(
          new File(
              PerkUtils.plugin.getDataFolder().getAbsolutePath() + "\\Build.sqlite.upgradded"));
    }

    File homeFile = FindDatabase("Homes.sqlite");
    if (homeFile != null) {

      BukkitDatabase tempDb =
          bDatabaseManager.createDatabase("Homes", PerkUtils.plugin, DatabaseType.SQLite);

      // select every property from the table
      String query = "SELECT * FROM homes";
      ResultSet result = tempDb.queryResult(query);

      try {
        // while we have another result, read in the data
        while (result.next()) {
          String worldName = result.getString("world");
          String playerName = result.getString("player");

          int x = result.getInt("x");
          int y = result.getInt("y");
          int z = result.getInt("z");
          int pitch = result.getInt("pitch");
          int yaw = result.getInt("yaw");

          World world = PerkUtils.plugin.getServer().getWorld(worldName);
          if (world == null) continue;

          Location loc = new Location(world, x, y, z, yaw, pitch);

          tpLocation newHome = new tpLocation();
          newHome.playername = playerName;
          newHome.loc = loc;
          homes.add(newHome);
          AddHome(playerName, loc);
        }
      } catch (SQLException e) {
        e.printStackTrace();
        return;
      }
      tempDb.freeResult(result);
      tempDb.freeDatabase();

      homeFile.renameTo(
          new File(
              PerkUtils.plugin.getDataFolder().getAbsolutePath() + "\\Homes.sqlite.upgradded"));
    }
  }