[jira] [Updated] (LUCENE-4859) Expose more stats on IndexReader

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[jira] [Updated] (LUCENE-4859) Expose more stats on IndexReader

JIRA jira@apache.org

     [ https://issues.apache.org/jira/browse/LUCENE-4859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shai Erera updated LUCENE-4859:
-------------------------------

    Attachment: LUCENE-4859.patch

Patch adds these methods to IndexReader, AtomicReader, BaseCompositeReader and FilterAtomicReader. I also removed MultiFields.totalTermFreq as it already existed on IndexReader. I added tests to TestDirectoryReader.
               

> Expose more stats on IndexReader
> --------------------------------
>
>                 Key: LUCENE-4859
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4859
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/index
>            Reporter: Shai Erera
>            Assignee: Shai Erera
>         Attachments: LUCENE-4859.patch
>
>
> IndexReader exposes stats like totalTermFreq(term) and docFreq(term). I'd like to add more stats from Terms, e.g. getDocCount/getSumDocFreq/getSumTotalTermFreq(field) for convenience. The implementation is very easy to do on CompositeReader, so I'll add these impls to BaseCompositeReader. I'll attach a patch shortly.

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