code: @Override
     protected ResultSet findItemQPathByIdentifierCQ(String identifier) throws SQLException
     {
        if (findItemQPathByIdentifierCQ == null)
        {
           findItemQPathByIdentifierCQ = dbConnection.prepareStatement(FIND_ITEM_QPATH_BY_ID_CQ);
        }
        else
        {
           findItemQPathByIdentifierCQ.clearParameters();
        }
  
        findItemQPathByIdentifierCQ.setString(1, identifier);
        return findItemQPathByIdentifierCQ.executeQuery();
     }
docs: {@inheritDoc}