SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Function materialize (children 1)
         ExpressionList (children 1)
          Literal \'1\'
        Literal \'IPv6\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'2000-01-01 00:00:00\'
        Literal \'DateTime\'
