Selective Search Grouping / Collapse
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Key: SOLR-2884
URL: https://issues.apache.org/jira/browse/SOLR-2884
Project: Solr
Issue Type: New Feature
Reporter: Cameron
Add the ability to use Solr's Grouping / Collapse capability to selectively
collapse only certain results that match some specific criteria. For example,
only collapse documents of matching some type of query
("group.filter=type:image"), leaving all other documents ungrouped. Should be
able to specify multiple parameters to get more than one group (e.g. group
images together and news articles together, but other documents are ungrouped).
It has been suggested using filters for this. For more details, see the mailing
list post on nabble below:
http://lucene.472066.n3.nabble.com/Selective-Result-Grouping-td3391538.html
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