See also: http://features.basho.com/entries/20516853-bitmap-index-queries
On Wed, Jan 25, 2012 at 5:05 PM, Carl <asyn...@hotmail.com> wrote: > It would be more efficient in disk reads if the keys output by one index > search could somehow constrain the second one, and so on. > > > On Wed, Jan 25, 2012 at 9:50 AM, Jeremiah Peschka < > jeremiah.pesc...@gmail.com> wrote: > > I have no idea if there are plans for this. >> >> Writing these queries yourself should be pretty trivial. Just spin up n >> threads, query n indexes, and then use some join algorithm [1] to merge the >> result sets together to produce the key list that you need to perform your >> lookups. >> >> [1]: https://en.wikipedia.org/wiki/Hash_join#Grace_hash_join >> --- >> Jeremiah Peschka >> Managing Director, Brent Ozar PLF, LLC >> >> >> >> On Wed, Jan 25, 2012 at 5:04 AM, Runar Jordahl >> <runar.jord...@gmail.com>wrote: >> >>> Are there any plans for allowing Riak to query multiple indices in one >>> operation? If there are, how will these queries work? >>> >>> Kind regards >>> Runar >>> >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>> >> >> >> _______________________________________________ >> riak-users mailing list >> riak-users@lists.basho.com >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> > > > -- > Sean Cribbs <s...@basho.com> > Software Engineer > Basho Technologies, Inc. > http://basho.com/ > > > > _______________________________________________ > riak-users mailing > listriak-users@lists.basho.comhttp://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > -- Sean Cribbs <s...@basho.com> Software Engineer Basho Technologies, Inc. http://basho.com/
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