SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arraySort (children 1)
     ExpressionList (children 1)
      Function arraySymmetricDifference (children 1)
       ExpressionList (children 1)
        Function array (children 1)
         ExpressionList
