Yes, use a search query to initiate your MapReduce job, however, the results
will not be limited to a fixed number (all matches will be returned). If that
will work for you, initiate your job like so:
{"inputs":{"mod":"riak_search", "fun":"mapred_search", "arg":["bucketname",
"updated:2011-03*"]},
"query":[ ... ]}
It might be worthwhile to try the query from the search shell or the solr
endpoint first, just to be sure you're getting the results you want.
Sean Cribbs <s...@basho.com>
Developer Advocate
Basho Technologies, Inc.
http://basho.com/
On Apr 1, 2011, at 9:01 AM, Thomas Bikeev wrote:
> Hello,
>
> a noob question really but here we go:
>
> A have a number of records that have been indexed via riaksearch. Each of the
> records has an 'updated' field (example: ... 'updated': '2011-03-31T22:26:31'
> ... ) based on which I would like to sort all the records getting out limited
> number of those that are most of date (just the tip or the left-hand-side of
> the long list). Can I do it without traversing the whole bucket in the map
> phase?
>
> Many thanks, Thomas
>
> --
> Thomas Bikeev
> Sent with Sparrow
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> riak-users@lists.basho.com
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