Riak search q.op=and misunderstanding

[Mick Brooks]

Hi,

I'm playing with Riak thanks to working through the Seven DBs in Seven
Weeks book: <http://pragprog.com/book/rwdata/seven-databases-in-seven-weeks>.
One of the examples has left me confused, and I wondered if anyone could
spot where I'm going wrong.

I've got a dev cluster running Riak 1.1.4, and have turned on Riak search. I've
created a bucket named new_animals and added the following 3 objects:

$ curl -X PUT http://localhost:8091/riak/new_animals/dragon \
  -H "Content-Type: application/json" \
  -d '{"nickname" : "Dragon", "breed" : "Briard", "score" : 1 }'
$ curl -X PUT http://localhost:8091/riak/new_animals/ace \
  -H "Content-Type: application/json" \
  -d '{"nickname" : "The Wonder Dog", "breed" : "German Shepherd",
"score" : 3 }'
$ curl -X PUT http://localhost:8091/riak/new_animals/rtt \
  -H "Content-Type: application/json" \
  -d '{"nickname" : "Rin Tin Tin", "breed" : "German Shepherd", "score" : 4 }'

Now I try to search using the and operator:

$ curl 
'http://localhost:8091/solr/new_animals/select?q=nickname:Rin%20breed:Shepherd&q.op=and'
<?xml version="1.0" encoding="UTF-8"?>
<response>
  <lst name="responseHeader">
    <int name="status">0</int>
    <int name="QTime">4</int>
    <lst name="params">
      <str name="indent">on</str>
      <str name="start">0</str>
      <str name="q">nickname:Rin breed:Shepherd</str>
      <str name="q.op">and</str>
      <str name="filter"></str>
      <str name="df">value</str>
      <str name="wt">standard</str>
      <str name="version">1.1</str>
      <str name="rows">2</str>
    </lst>
  </lst>
  <result name="response" numFound="2" start="0" maxScore="1.28338">
    <doc>
      <str name="id">rtt
      </str>
      <str name="breed">German Shepherd
      </str>
      <str name="nickname">Rin Tin Tin
      </str>
      <str name="score">4
      </str>
    </doc>
    <doc>
      <str name="id">ace
      </str>
      <str name="breed">German Shepherd
      </str>
      <str name="nickname">The Wonder Dog
      </str>
      <str name="score">3
      </str>
    </doc>
  </result>
</response>

I expected only one result to match, but have two. 'ace' should fail
to match the nickname:Rin term, so does it make sense that it's returned
for this query?

Cheers,

Mick

-- 
Mick Brooks
ACCU Membership Secretary  -  accumembers...@accu.org
http://www.accu.org/ - Professionalism in Programming

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