riak-erlang-client issue with Riak EE 1.2

Sean Cribbs sean at basho.com
Thu Aug 30 01:47:46 EDT 2012


I have pushed to the gh-pages branch a newly-generated edoc, which
includes the changes Dave mentioned. They should be live now at
http://basho.github.com/riak-erlang-client

On Wed, Aug 29, 2012 at 10:54 PM, Dave Parfitt <diparfitt at gmail.com> wrote:
> Hi Julian -
>    The riak-erlang-client docs definitely need to be updated for search, index, and map/reduce.
>
> In the meantime, if you notice on this line:
> https://github.com/basho/riak-erlang-client/blob/master/src/riakc_pb_socket.erl#L635
> you'll see that the type for Options is "search_options()".
>
> You can find the definition of search_options() here:
> https://github.com/basho/riak-erlang-client/blob/master/include/riakc.hrl#L77
>
> and the definition for search_option() here:
> https://github.com/basho/riak-erlang-client/blob/master/include/riakc.hrl#L122
>
> Cheers -
> Dave
>
>
> On Aug 28, 2012, at 7:20 PM, Julian wrote:
>
>> Sure, I see the source code of search/*, but I'm kind of stuck at
>> figuring out the search_options properties and whether they can help
>> me or not. I've made stabs at 'rows', 'start' and 'sort' and they're
>> more or less the intuitive thing (although I couldn't do a reverse
>> sort order if I had to).
>>
>>
>> I don't see any code in riak_pb that sheds enlightenment; I'm guessing
>> that this #rpbsearchqueryrec record is just shoved into a packet and
>> sent to the server.
>>
>> search_options([{rows, Rows} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{rows=Rows});
>> search_options([{start, Start} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{start=Start});
>> search_options([{sort, Sort} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{sort=Sort});
>> search_options([{filter, Filter} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{filter=Filter});
>> search_options([{df, DF} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{df=DF});
>> search_options([{op, OP} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{op=OP});
>> search_options([{fl, FL} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{fl=FL});
>> search_options([{presort, Presort} | Rest], Req) ->
>>    search_options(Rest, Req#rpbsearchqueryreq{presort=Presort});
>> search_options([{_, _} | _Rest], _Req) ->
>>    erlang:error(badarg).
>>
>> Thanks,
>> Julian
>>
>> On Tue, Aug 28, 2012 at 12:26 PM, Dave Parfitt <diparfitt at gmail.com> wrote:
>>> Hello Julian -
>>>
>>> Map-reduce is still available, it's just not what riakc_pb_socket:search/* uses under the hood anymore. Both map/reduce and Riak search functionality are implemented in the client using Protocol Buffers now.
>>>
>>> The Map/Reduce functions are available here:
>>> https://github.com/basho/riak-erlang-client/blob/master/src/riakc_pb_socket.erl#L454
>>>
>>> and the Search functions are available here:
>>> https://github.com/basho/riak-erlang-client/blob/master/src/riakc_pb_socket.erl#L618
>>>
>>> Cheers -
>>> Dave
>
>
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-- 
Sean Cribbs <sean at basho.com>
Software Engineer
Basho Technologies, Inc.
http://basho.com/




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