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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-7132) BooleanQuery scores can be diff for same docs+sim when using coord (disagree with Explanation which doesn't change)
Date Fri, 03 Jun 2016 09:24:59 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-7132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15313895#comment-15313895
] 

Michael McCandless commented on LUCENE-7132:
--------------------------------------------

Hmm seems like something is wrong w/ BQ's bulk scorer, because if I take it out and just use
the default:

{noformat}
@@ -361,6 +363,9 @@ final class BooleanWeight extends Weight {
 
   @Override
   public BulkScorer bulkScorer(LeafReaderContext context) throws IOException {
+    // nocommit
+    return super.bulkScorer(context);
+    /*
     final BulkScorer bulkScorer = booleanScorer(context);
     if (bulkScorer != null) {
       // bulk scoring is applicable, use it
@@ -369,6 +374,7 @@ final class BooleanWeight extends Weight {
       // use a Scorer-based impl (BS2)
       return super.bulkScorer(context);
     }
+    */
   }
 
   @Override
{noformat}

Then at least the first seed above passes...

> BooleanQuery scores can be diff for same docs+sim when using coord (disagree with Explanation
which doesn't change)
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-7132
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7132
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/search
>    Affects Versions: 5.5
>            Reporter: Ahmet Arslan
>            Assignee: Steve Rowe
>         Attachments: LUCENE-7132.patch, LUCENE-7132.patch, LUCENE-7132.patch, SOLR-8884.patch,
SOLR-8884.patch, debug.xml
>
>
> Some of the folks [reported|http://find.searchhub.org/document/80666f5c3b86ddda] that
sometimes explain's score can be different than the score requested by fields parameter. Interestingly,
Explain's scores would create a different ranking than the original result list. This is something
users experience, but it cannot be re-produced deterministically.



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