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From "Doron Cohen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-989) Statistics from ValueSourceQuery
Date Wed, 03 Sep 2008 23:33:44 GMT

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

Doron Cohen updated LUCENE-989:
-------------------------------

    Fix Version/s:     (was: 2.4)
                   3.0
         Assignee:     (was: Doron Cohen)

This should be look at with LUCENE-1085 - removing myself to not so others who can do it sooner.


> 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
>             Fix For: 3.0
>
>         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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