SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function unbin (children 1)
       ExpressionList (children 1)
        Function bin (children 1)
         ExpressionList (children 1)
          Literal \'\'
      Literal \'\'