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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2015/08/27 10:51:45 UTC

[jira] [Created] (LUCENE-6766) Make index sorting a first-class citizen

Adrien Grand created LUCENE-6766:
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             Summary: Make index sorting a first-class citizen
                 Key: LUCENE-6766
                 URL: https://issues.apache.org/jira/browse/LUCENE-6766
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Adrien Grand
            Priority: Minor


Today index sorting is a very expert feature. You need to use a custom merge policy, custom collectors, etc. I would like to explore making it a first-class citizen so that:
 - the sort order could be configured on IndexWriterConfig
 - segments would record the sort order that was used to write them
 - IndexSearcher could automatically early terminate when computing top docs on a sort order that is a prefix of the sort order of a segment (and if the user is not interested in totalHits).



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