code: private void writeAmountOfNodesBack(List<ExampleQuery> exampleQueries)
    {
  
      String sqlTemplate = "UPDATE _" + EXAMPLE_QUERIES_TAB + " SET nodes=?, used_ops=CAST(? AS text[]) WHERE example_query=?;";
      
      for (ExampleQuery eQ : exampleQueries)
      {
        getJdbcTemplate().update(sqlTemplate, eQ.getNodes(), eQ.getUsedOperators(), eQ.getExampleQuery());
      }
    }
docs: Writes the counted nodes and the used operators back to the staging area.