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From "Will Johnson (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-989) Statistics from ValueSourceQuery
Date Mon, 27 Aug 2007 15:37:31 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Will Johnson updated LUCENE-989:
--------------------------------

    Attachment: functionStats.patch

patch as described above.

> Statistics from ValueSourceQuery 
> ---------------------------------
>
>                 Key: LUCENE-989
>                 URL: https://issues.apache.org/jira/browse/LUCENE-989
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.2
>            Reporter: Will Johnson
>            Priority: Minor
>         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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