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From "Kyle Maxwell (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (LUCENE-1019) CustomScoreQuery should support multiple ValueSourceQueries
Date Fri, 05 Oct 2007 01:08:50 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12532557
] 

fizx edited comment on LUCENE-1019 at 10/4/07 6:08 PM:
---------------------------------------------------------------

Here's the patch!  BTW, I'll edit the docs as soon as someone signs off that this is a good
idea!

      was (Author: fizx):
    Here's the patch!
  
> CustomScoreQuery should support multiple ValueSourceQueries
> -----------------------------------------------------------
>
>                 Key: LUCENE-1019
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1019
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.2
>            Reporter: Kyle Maxwell
>         Attachments: CustomMultiQuery.v0.diff
>
>
> CustomScoreQuery's constructor currently accepts a subQuery, and a ValueSourceQuery.
 I would like it to accept multiple ValueSourceQueries.  The workaround of nested CustomScoreQueries
works for simple cases, but it quickly becomes either cumbersome to manage, or impossible
to implement the desired function.
> This patch implements CustomMultiScoreQuery with my desired functionality, and refactors
CustomScoreQuery to implement the special case of a CustomMultiScoreQuery with 0 or 1 ValueSourceQueries.
 This keeps the CustomScoreQuery API intact.
> This patch includes basic tests, more or less taken from the original implementation,
and customized a bit to cover the new cases.

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