title: queryDSL any().concat
body: <p>Please help, </p>
  
  <p>How could I concat properties from oneToMany relatioship? </p>
  
  <pre><code>order.users.any().firstName
      .concat(order.users.any().lastName)
      .containsIgnoreCase(request.fullName)
  </code></pre>
  
  <p>This gives strange exeption:</p>
  
  <pre><code>org.postgresql.util.PSQLException: ERROR: missing FROM-clause entry for table "user4_"
  </code></pre>