code: public static void load(Connection connection) throws SQLException {
          Statement st = connection.createStatement();
          for (Function function : getBuiltInsFunctions()) {
              try {
                  H2GISFunctions.registerFunction(st, function, "");
              } catch (SQLException ex) {
                  // Catch to register other functions
                  LOGGER.error(ex.getLocalizedMessage(), ex);
              }
          }
      }
docs: Init H2 DataBase with the network functions
  
  @param connection Active connection
  @throws SQLException