SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function intDiv (children 1)
     ExpressionList (children 2)
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toInt32 (children 1)
         ExpressionList (children 1)
          Literal UInt64_1
      Literal UInt64_4294967296