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:     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() ->
  
negative.code: do_describe(?DDL{fields = FieldSpecs,
                   partition_key = #key_v1{ast = PKSpec},
                   local_key     = #key_v1{ast = LKSpec}}) ->
      ColumnNames = [<<"Column">>, <<"Type">>, <<"Is Null">>, <<"Primary Key">>, <<"Local Key">>, <<"Interval">>, <<"Quantum Unit">>],
      ColumnTypes = [   varchar,      varchar,    boolean,       sint64,            sint64,         sint64,         varchar],
      Quantum = find_quantum_field(PKSpec),
      Rows =
          [[Name, list_to_binary(atom_to_list(Type)), Nullable,
            column_pk_position_or_blank(Name, PKSpec),
            column_lk_position_or_blank(Name, LKSpec)] ++
            columns_quantum_or_blank(Name, Quantum)
           || #riak_field_v1{name = Name,
                             type = Type,
                             optional = Nullable} <- FieldSpecs],
  