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https://issues.apache.org/jira/browse/LUCENE-989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-989:
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Fix Version/s: (was: 4.3)
4.4
> Statistics from ValueSourceQuery
> ---------------------------------
>
> Key: LUCENE-989
> URL: https://issues.apache.org/jira/browse/LUCENE-989
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/search
> Affects Versions: 2.2
> Reporter: Will Johnson
> Priority: Minor
> Fix For: 4.4
>
> Attachments: functionStats.patch
>
>
> Patch forthcoming that adds a DocValuesStats object that is optionally
> computer for a ValueSourceQuery. This ~replaces the getMin/Max/Avg from the
> DocValues which were previously unaccessible without reasonably heavy
> subclassing. in addition it add a few more stats and provides a single
> object to encapsulate all statistics going forward. The stats object is tied
> to the ValueSourceQuery so that the values can be cached without having to
> maintain the full set of DocValues. Test and javadocs included.
> - will
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