SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Literal \'fuzz4\'
    Function finalizeAggregation (alias x) (children 1)
     ExpressionList (children 1)
      Function CAST (children 1)
       ExpressionList (children 2)
        Function unhex (children 1)
         ExpressionList (children 1)
          Function concat (children 1)
           ExpressionList (children 3)
            Literal \'04000000\'
            Literal \'30313233\'
            Literal \'00\'
        Literal \'AggregateFunction(argMax, String, UInt64)\'
    Function length (children 1)
     ExpressionList (children 1)
      Identifier x
