Secondary index reverse sort

Lucas Cooper bobobo1618 at gmail.com
Wed Jul 31 08:38:09 EDT 2013


That should work well in development for my application actually. Thanks
for the tip!

On Wed, Jul 31, 2013 at 10:26 PM, Jon Meredith <jmeredith at basho.com> wrote:

> As a workaround, you can always store (2^31 - timestamp) as an additional
> index and use that when you need to do the reverse retrieval.  Beware 2038.
>
> Jon
>
>
> On Wed, Jul 31, 2013 at 1:07 PM, Lucas Cooper <bobobo1618 at gmail.com>wrote:
>
>> I'm happy to wait, it isn't urgently needed as my project is still in
>> development.
>>
>> I'd contribute myself if I was confident at all programming in Erlang but
>> I'm still just getting into declarative languages at the moment :)
>>
>>
>> On Wed, Jul 31, 2013 at 10:03 PM, Russell Brown <russell.brown at mac.com>wrote:
>>
>>> Hi Lucas,
>>>
>>> I'm sorry, as easy as it would have been to add with the latest changes,
>>> we just ran out of time.
>>>
>>> It is something I'd love to add in future. Or maybe something a
>>> contributor could add? (Happy to advise / review.)
>>>
>>> Many thanks
>>>
>>> Russell
>>>
>>> On 31 Jul 2013, at 02:04, Lucas Cooper <bobobo1618 at gmail.com> wrote:
>>>
>>> > I've seen that the results of secondary index queries are sorted on
>>> index values by default.
>>> > I was wondering if there's something I'm missing that would allow me
>>> to fetch those keys but reverse sorted.
>>> >
>>> > I have indexes based on UNIX timestamps and I'd like to grab the most
>>> recent keys.
>>> > I'd like this query to be running on demand so I'd like to avoid
>>> MapReduce if at all possible.
>>> >
>>> >
>>> > _______________________________________________
>>> > riak-users mailing list
>>> > riak-users at lists.basho.com
>>> > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>>>
>>>
>>
>> _______________________________________________
>> riak-users mailing list
>> riak-users at lists.basho.com
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>>
>>
>
>
> --
> Jon Meredith
> VP, Engineering
> Basho Technologies, Inc.
> jmeredith at basho.com
>
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