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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4858) Early termination with SortingMergePolicy
Date Tue, 09 Apr 2013 09:50:16 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626429#comment-13626429
] 

Adrien Grand commented on LUCENE-4858:
--------------------------------------

Thanks for updating the patch, Shai.

bq. Adrien, do we have anything else to do here, or are we ready to go? If so, I'll add a
CHANGES entry and commit later.

The patch looks good to me. Maybe NumericDocValuesSorter.getID() could just return 'fieldName'?
I think it's not necessary to describe the doc values type since they are exclusive and doc
values are the natural way to sort documents by field values in Lucene? Otherwise +1.
                
> Early termination with SortingMergePolicy
> -----------------------------------------
>
>                 Key: LUCENE-4858
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4858
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 4.3
>
>         Attachments: LUCENE-4858.patch, LUCENE-4858.patch, LUCENE-4858.patch, LUCENE-4858.patch,
LUCENE-4858.patch, LUCENE-4858.patch
>
>
> Spin-off of LUCENE-4752, see https://issues.apache.org/jira/browse/LUCENE-4752?focusedCommentId=13606565&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13606565
and https://issues.apache.org/jira/browse/LUCENE-4752?focusedCommentId=13607282&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13607282
> When an index is sorted per-segment, queries that sort according to the index sort order
could be early terminated.

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