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https://issues.apache.org/jira/browse/LUCENE-5304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13804196#comment-13804196
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ASF subversion and git services commented on LUCENE-5304:
---------------------------------------------------------

Commit 1535382 from [~jpountz] in branch 'dev/trunk'
[ https://svn.apache.org/r1535382 ]

LUCENE-5304: SingletonSortedSetDocValues can now return the wrapped 
SortedDocValues

> SingletonSortedSetDocValues should allow for getting back the wrapped instance
> ------------------------------------------------------------------------------
>
>                 Key: LUCENE-5304
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5304
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-5304.patch
>
>
> This idea was mentioned by Robert on LUCENE-5300
> Some codecs or FieldCache impls use SingletonSortedSetDocValues when a field 
> which is supposed to be multi-valued is actually single-valued. By having a 
> getter on this class to get back the wrapped SortedDocValues instance, we 
> could add more specialization (which often already exists, eg. Solr's 
> DocValuesFacets already have a specialized impl for SortedDocValues).



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