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From "Will Johnson (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-989) Statistics from ValueSourceQuery
Date Mon, 27 Aug 2007 15:35:37 GMT
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


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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