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

["Michael McCandless (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-6766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless updated LUCENE-6766:
---------------------------------------
    Attachment: LUCENE-6766.patch

Here's the current patch (generated from {{diffSources.py}})...

> 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
>         Attachments: LUCENE-6766.patch, LUCENE-6766.patch
>
>
> 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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