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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1974) BooleanQuery can not find all matches in special condition
Date Tue, 13 Oct 2009 23:51:31 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765310#action_12765310
] 

Michael McCandless commented on LUCENE-1974:
--------------------------------------------

Ugh, this is the bug:

{code}
Index: src/java/org/apache/lucene/search/Scorer.java
===================================================================
--- src/java/org/apache/lucene/search/Scorer.java	(revision 824846)
+++ src/java/org/apache/lucene/search/Scorer.java	(working copy)
@@ -87,7 +87,7 @@
       collector.collect(doc);
       doc = nextDoc();
     }
-    return doc == NO_MORE_DOCS;
+    return doc != NO_MORE_DOCS;
   }
   
   /** Returns the score of the current document matching the query.

{code}

I'll commit shortly, to trunk & 2.9 branch.

> BooleanQuery can not find all matches in special condition
> ----------------------------------------------------------
>
>                 Key: LUCENE-1974
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1974
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Query/Scoring
>    Affects Versions: 2.9
>            Reporter: tangfulin
>            Assignee: Michael McCandless
>         Attachments: BooleanQueryTest.java, LUCENE-1974.test.patch, LUCENE-1974.test.patch
>
>
> query: (name:tang*)
> doc=5137 score=1.0  doc:Document<stored,indexed<name:tangfulin>>
> doc=11377 score=1.0  doc:Document<stored,indexed<name:tangfulin>>
> query: name:tang* name:notexistnames
> doc=5137 score=0.048133932  doc:Document<stored,indexed<name:tangfulin>>
> It is two queries on the same index, one is just a prefix query in a
> boolean query, and the other is a prefix query plus a term query in a
> boolean query, all with Occur.SHOULD .
> what I wonder is why the later query can not find the doc=11377 doc ?
> the problem can be repreduced by the code in the attachment .

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