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From "Chris Male (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3381) Sandbox remaining contrib queries
Date Thu, 18 Aug 2011 09:15:33 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13086908#comment-13086908
] 

Chris Male commented on LUCENE-3381:
------------------------------------

{quote}
I have thousands of people using it daily in dozens of different installations so keen to
avoid any significant changes/loss.
{quote}

I have no intention of removing it but as Robert has pointed out in a couple of issues there
is huge scope for improvement which we cannot ignore.  I'll make sure to document any changes.

{quote}
- the fact it caches 'rewrittenQuery' in the QUERY itself, this means the Query is keeping
IndexSearcher-dependent state in the Query: this is broken.
- the static similarity, which at the moment must extend TFIDFSimilarity (does not work with
other scoring systems)
{quote}

Good points.  The cached rewrittenQuery seems like an easy fix (albeit a change that should
be documented).  I see your comments in code about averaging out statistics.  That seems like
a bigger issue.  Moving away from a static similarity seems like its doable at this stage.
 Is the agnostic scoring model support a showstopper?


> Sandbox remaining contrib queries
> ---------------------------------
>
>                 Key: LUCENE-3381
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3381
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Chris Male
>         Attachments: LUCENE-3381.patch
>
>
> In LUCENE-3271, I moved the 'good' queries from the queries contrib to new destinations
(primarily the queries module).  The remnants now need to find their home.  As suggested in
LUCENE-3271, these classes are not bad per se, just odd.  So lets create a sandbox contrib
that they and other 'odd' contrib classes can go to.  We can then decide their fate at another
time.

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