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Posted to dev@lucene.apache.org by "Chris Male (JIRA)" <ji...@apache.org> on 2011/06/29 07:37:28 UTC
[jira] [Issue Comment Edited] (LUCENE-3256) Consolidate
CustomScoreQuery, ValueSourceQuery and BoostedQuery
[ https://issues.apache.org/jira/browse/LUCENE-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13057010#comment-13057010 ]
Chris Male edited comment on LUCENE-3256 at 6/29/11 5:35 AM:
-------------------------------------------------------------
Command for running patch:
{code}
svn move lucene/src/java/org/apache/lucene/search/function/CustomScoreQuery.java modules/queries/src/java/org/apache/lucene/queries/function/
svn move lucene/src/java/org/apache/lucene/search/function/CustomScoreProvider.java modules/queries/src/java/org/apache/lucene/queries/function/
svn --parents mkdir modules/queries/src/test/org/apache/lucene/queries/function/
svn move lucene/src/test/org/apache/lucene/search/function/TestCustomScoreQuery.java modules/queries/src/test/org/apache/lucene/queries/function/
{code}
was (Author: cmale):
Command for running patch:
{code}
svn move lucene/src/java/org/apache/lucene/search/function/CustomScoreQuery.java modules/queries/src/java/org/apache/lucene/queries/function/
svn move lucene/src/java/org/apache/lucene/search/function/CustomScoreProvider.java modules/queries/src/java/org/apache/lucene/queries/function/
svn move lucene/src/java/org/apache/lucene/search/function/FieldScoreQuery.java modules/queries/src/java/org/apache/lucene/queries/function/
svn --parents mkdir modules/queries/src/test/org/apache/lucene/queries/function/
svn move lucene/src/test/org/apache/lucene/search/function/TestCustomScoreQuery.java modules/queries/src/test/org/apache/lucene/queries/function/
{code}
> Consolidate CustomScoreQuery, ValueSourceQuery and BoostedQuery
> ----------------------------------------------------------------
>
> Key: LUCENE-3256
> URL: https://issues.apache.org/jira/browse/LUCENE-3256
> Project: Lucene - Java
> Issue Type: Sub-task
> Components: core/search
> Reporter: Chris Male
> Fix For: 4.0
>
> Attachments: LUCENE-3256.patch
>
>
> Lucene's CustomScoreQuery and Solr's BoostedQuery do essentially the same thing: they boost the scores of Documents by the value from a ValueSource. BoostedQuery does this in a direct fashion, by accepting a ValueSource. CustomScoreQuery on the other hand, accepts a series of ValueSourceQuerys. ValueSourceQuery seems to do exactly the same thing as FunctionQuery.
> With Lucene's ValueSource being deprecated / removed, we need to resolve these dependencies and simplify the code.
> Therefore I recommend we do the following things:
> - Move CustomScoreQuery (and CustomScoreProvider) to the new Queries module and change it over to use FunctionQuerys instead of ValueSourceQuerys.
> - Deprecate Solr's BoostedQuery in favour of the new CustomScoreQuery. CSQ provides a lot of support for customizing the scoring process.
> - Move and consolidate all tests of CSQ and BoostedQuery, to the Queries module and have them test CSQ instead.
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