Dean Gurvitz created LUCENE-7074:
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Summary: Grouping using custom logic
Key: LUCENE-7074
URL: https://issues.apache.org/jira/browse/LUCENE-7074
Project: Lucene - Core
Issue Type: New Feature
Components: core/search
Reporter: Dean Gurvitz
Fix For: master
My company would like to enable customized grouping in Lucene/Solr. Our need is
to allow grouping by hamming distance between two text field values. We started
implementing this idea in Lucene through editing several
classes (Grouping, AbstractTermFirstPassGroupingCollector and
AbstractTermSecondPassGroupingCollector)
so that they receive custom logic to use for grouping.
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