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https://issues.apache.org/jira/browse/LUCENE-6691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14651840#comment-14651840
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ASF subversion and git services commented on LUCENE-6691:
---------------------------------------------------------

Commit 1693897 from [~cpoerschke] in branch 'dev/branches/branch_5x'
[ https://svn.apache.org/r1693897 ]

LUCENE-6691: SortingMergePolicy.(getSortDescription|isSorted) now considers 
FilterLeafReader instances. EarlyTerminatingSortingCollector.terminatedEarly 
accessor added. TestEarlyTerminatingSortingCollector.testTerminatedEarly test 
added.

> tweak SortingMergePolicy.getSortDescription
> -------------------------------------------
>
>                 Key: LUCENE-6691
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6691
>             Project: Lucene - Core
>          Issue Type: Test
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>            Priority: Minor
>
> Building tests for SOLR-5730 identified that early termination can be omitted 
> for sorted segments because the {{LeafReader}} concerned is not a 
> {{SegmentReader}} - github pull request to illustrate to follow:
> * the {{TestEarlyTerminatingSortingCollector.testTerminatedEarly}} test uses 
> a wrapped reader in the same way as {{SolrIndexSearcher}}
> * the {{SortingMergePolicy.getSortDescription}} change (assuming it is a 
> valid change to make) fixes that particular test only
> * {{ExitableDirectoryReader}} and {{UninvertingReader}} wrap could perhaps 
> also be added in {{LuceneTestCase.wrapReader}} ?
> LUCENE-6065 "remove "foreign readers" from merge, fix LeafReader instead." 
> also concerns SortingMergePolicy.



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