anchor.diff:  -spec get_col_names(#ddl_v1{}, ?SQL_SELECT{}) -> [binary()].
   get_col_names(DDL, Q) ->
       ColNames = riak_ql_to_string:col_names_from_select(Q),
  -    % flatten because * gets expanded to multiple columns
  +    %% flatten because * gets expanded to multiple columns
       lists:flatten(
         [get_col_names2(DDL, N) || N <- ColNames]
       ).
  
positive.code:     lists:keyreplace(Field, 1, TupleList, {Field, FieldType, NewVal}).
  
  -ifdef(TEST).
  
  %%
  %% Helper Fns for unit tests
  
negative.code:     end;
  compile_select_col(DDL, Select) ->
      {ColTypes, IsValid, Fn} = compile_select_col_stateless(DDL, Select),
      %% Finalisers = lists:duplicate(length(ColTypes), fun(State) -> State end),
      #single_sel_column{ calc_type        = rows,
                          initial_state    = undefined,
                          col_return_types = ColTypes,
  