SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayJoin (alias x) (children 1)
     ExpressionList (children 1)
      Literal Array_[\'A\', \'c\', \'Z\', \'Q\', \'e\']
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
