title: JPA CrieteriaBuilder function for Oracle LISTAGG
body: <p>Oracle function LISTAGG, for example,</p>
  
  <pre><code>SELECT department_id "Dept.",
         LISTAGG(last_name, '; ') WITHIN GROUP (ORDER BY hire_date) "Employees"
    FROM employees
    GROUP BY department_id
    ORDER BY department_id;
  </code></pre>
  
  <p>How to use CrieteriaBuilder function method for the LISTAGG funciton?</p>
  
  <p>Thanks.</p>