SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function IPv6NumToString (children 1)
       ExpressionList (children 1)
        Function IPv6StringToNum (alias n) (children 1)
         ExpressionList (children 1)
          Function materialize (alias p) (children 1)
           ExpressionList (children 1)
            Literal \'::ffff:127.0.0.1\'
      Identifier p
