anchor.diff:      Res = do_describe(DDL),
       ?assertMatch(
          {ok, {_, _,
  -             [[<<"f">>, <<"varchar">>,   false, 1,  1, []],
  -              [<<"s">>, <<"varchar">>,   false, 2,  2, []],
  -              [<<"t">>, <<"timestamp">>, false, 3,  3, <<"15 m">>],
  -              [<<"w">>, <<"sint64">>, false, [], [], []],
  -              [<<"p">>, <<"double">>, true,  [], [], []]]}},
  +             [[<<"f">>, <<"varchar">>,   false, 1,  1, [], []],
  +              [<<"s">>, <<"varchar">>,   false, 2,  2, [], []],
  +              [<<"t">>, <<"timestamp">>, false, 3,  3, 15, <<"m">>],
  +              [<<"w">>, <<"sint64">>, false, [], [], [], []],
  +              [<<"p">>, <<"double">>, true,  [], [], [], []]]}},
          Res).
   
   describe_table_columns_no_quantum_test() ->
  
positive.code:     count_to_position(Col, KSpec, 1).
  
  %% Extract the quantum column information, if it exists in the table definition
  -spec column_quantum_or_blank(Col :: binary(), PKSpec :: [#param_v1{}|#hash_fn_v1{}]) ->
        binary() | [].
  column_quantum_or_blank(Col, #hash_fn_v1{args = [#param_v1{name = [Col]}, Interval, Unit]}) ->
      Result = lists:flatten(io_lib:format("~p ~p", [Interval, Unit])),
      list_to_binary(Result);
  column_quantum_or_blank(_Col, _PKSpec) ->
      [].
  
  %% Find the field associated with the quantum, if there is one
  -spec find_quantum_field([#param_v1{}|#hash_fn_v1{}]) -> [] | #hash_fn_v1{}.
  
negative.code:     Res = do_describe(DDL),
      ?assertMatch(
          {ok, {_, _,
              [[<<"f">>, <<"varchar">>,   false, 1,  1, [], []],
               [<<"s">>, <<"varchar">>,   false, 2,  2, [], []],
               [<<"t">>, <<"timestamp">>, false, 3,  3, [], []],
               [<<"w">>, <<"sint64">>, false, [], [], [], []],
               [<<"p">>, <<"double">>, true,  [], [], [], []]]}},
          Res).
  
  validate_make_insert_row_basic_test() ->
  