code: private EventHandler getEventHandler(Connection connection, String name) {
          final String READ_ONE_EVENT_HANDLER_QUERY = "SELECT json_data FROM meta_event_handler WHERE name = ?";
  
          return query(connection, READ_ONE_EVENT_HANDLER_QUERY,
                  q -> q.addParameter(name).executeAndFetchFirst(EventHandler.class));
      }
docs: Retrieve a {@link EventHandler} by {@literal name}.
  
  @param connection The {@link Connection} to use for queries.
  @param name       The {@code EventHandler} name to look for.
  @return {@literal null} if nothing is found, otherwise the {@code EventHandler}.