anchor.diff:      TypeMap = lists:zip(Row, Types),
   
       CompleteFun = fun(DT) -> jam:expand(DT, second) end,
  +    PostCompleteFun = fun(Epoch) -> Epoch end,
       lists:map(fun({binary, String}=Value) ->
                         case lists:keyfind(Value, 1, TypeMap) of
                             {Value, timestamp} ->
  -                              {integer, do_epoch(String, CompleteFun, 3)};
  +                              {integer, do_epoch(String, CompleteFun,
  +                                                 PostCompleteFun, 3)};
                             _ ->
                                 Value
                         end;
  
positive.code: replace_ast_timestamps(_Mod, {Op, Item1, Item2}) ->
      {Op, Item1, Item2}.
  
  do_epoch(String, CompleteFun, Exponent) ->
      Normal = timestamp_to_normalized(String),
      case jam:is_valid(Normal) of
          false ->
  
negative.code: good_timestamp_select_test() ->
      GoodQuery = "select * from table1 "
          " where b > '20151013T18:30' and "
          " b <= '20151013T19' ",
      {_DDL, _Mod} = helper_compile_def_to_module(
          "CREATE TABLE table1 ("
          "a SINT64 NOT NULL, "
  