Nevermind on the lists:sort issue below as I realized that list:umerge
requires that the lists be sorted.
Thanks anyway,
Andrew
On Sun, Jun 26, 2011 at 3:36 PM, Andrew Berman <rexx...@gmail.com> wrote:
> I think I found the answer and it is no, I cannot control the sort. I
> found the code here in riak_kv_wm_link_walker.erl:
>
> links(Object) ->
> MDs = riak_object:get_metadatas(Object),
> lists:umerge(
> [ case dict:find(?MD_LINKS, MD) of
> {ok, L} ->
> [ [B,K,T] || {{B,K},T} <- lists:sort(L) ];
> error -> []
> end
> || MD <- MDs ]).
>
> Why run lists:sort? Shouldn't the sort be up to the user after he
> gets the actual object? I don't understand why the sort processing is
> necessary at the link phase. Thoughts?
>
> --Andrew
>
> On Sun, Jun 26, 2011 at 3:15 PM, Andrew Berman <rexx...@gmail.com> wrote:
>> I've noticed that when I run the link function, it automatically
>> orders the links based on Id. Is there a way to tell it not to sort
>> the links? In other words, I want the links in the order in which
>> they were put in the list (most recent at the head of the list) and I
>> see from Rekon that that is how they are being stored. Basically, I'm
>> running a reduce_slice on the result of the link phase so that Riak
>> doesn't load up all the objects with which the links are pointing. If
>> the answer is no, I cannot control the order of the links, is the only
>> option to prepend something like the time (e.g. millis since
>> 1-1-1970)?
>>
>> Thanks,
>>
>> Andrew
>>
>
_______________________________________________
riak-users mailing list
riak-users@lists.basho.com
http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
