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Date: Tue, 12 Jul 2011 18:36:06 -0700 (PDT)
From: entdeveloper <cameron.developer@gmail.com>
To: solr-user@lucene.apache.org
Message-ID: <1310520966408-3164433.post@n3.nabble.com>
Subject: Grouping / Collapse Query
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I'm messing around with the field collapsing in 4.x
http://wiki.apache.org/solr/FieldCollapsing . Is it currently possible to
group by a field with a certain value only and leave all the others
ungrouped using the group.query param? This currently doesn't seem to work
the way I want it to.

For example, I have documents all with a "type" field. Possible values are:
picture, video, game, other. I want to only group the pictures, and leave
all other documents ungrouped.

If I query something like:
q=dogs&group=true&group.query=type:picture

I ONLY get pictures back. Seems like this behaves more like an 'fq'

What I want is a result set that looks like this:

1. doc 1, type=video
2. doc 2, type=game
3. doc 3, type=picture, + 3 other pictures
4. doc 4, type=video
5. doc 5, type=video
...

I've also tried:
q=dogs&group=true&group.query=type:picture&group.query=-type:video
-type:game

But this doesn't work because the order of the groups don't put together the
correct order of results that would be displayed.

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