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From "Shai Erera (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4858) Early termination with SortingMergePolicy
Date Tue, 09 Apr 2013 10:00:16 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626435#comment-13626435
] 

Shai Erera commented on LUCENE-4858:
------------------------------------

bq. Maybe NumericDocValuesSorter.getID() could just return 'fieldName'?

The reason I did that is in case someone will want to sort by a stored field and numeric field
which have same names. I know it's probably very low chance, but "numericdv_field" is really
unique, as you cannot have two numeric DV fields with the same name, but different meaning.
                
> 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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