Christian, Thanks so much for pointing me to your examples. I'll definitely be looking them over.
As for the "official" map/reduce stuff that comes with Riak, all I can say is "why didn't I think of that?". Thanks again On Wed, Jan 16, 2013 at 4:18 PM, Christian Dahlqvist <[email protected]>wrote: > Hi Derek, > > The best place to start is probably the mapreduce functions officially > included in Riak ( > https://github.com/basho/riak_kv/blob/master/src/riak_kv_mapreduce.erl) > if you have not already found these. These do however not make use of > arguments. If you are looking for an example of how arguments can be used, > you could look at a little library containing map phase functions that I > wrote some time back. In these I accept JSON documents as arguments and use > this to control processing. The library is available here: > https://github.com/whitenode/riak_mapreduce_utils > > Best regards, > > Christian > > > > > On 16 Jan 2013, at 13:34, Derek Sanderson <[email protected]> wrote: > > Hello all, > > Been googling around, but failing to find anything that really helps walk > a newcomer through writing M/R queries in Erlang for Riak. > > I'm going through some general Erlang tutorials, but it would also be good > to just see some solid examples of basic (and not so basic) Map and Reduce > operations, to get a feel for how to actually write them. The Riak Handbook > has one example that I've been going with, which is good for a bare-minimum > set of requirements for how to write these, but doesn't really provide > enough info to know what kinds of things are available to me, and some > common patterns to apply in writing my own Maps, how to pass in parameters, > etc etc. > > Thanks in advance > _______________________________________________ > riak-users mailing list > [email protected] > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > > >
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