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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2006/02/03 01:07:03 UTC

[jira] Created: (LUCENE-492) PhraseQuery.explain is broken

PhraseQuery.explain is broken
-----------------------------

         Key: LUCENE-492
         URL: http://issues.apache.org/jira/browse/LUCENE-492
     Project: Lucene - Java
        Type: Bug
    Reporter: Hoss Man


PhraseQuery's explain method returns bogus scores in the case where the phrase doesn't match.  Unless i'm crazy, it can even indicate a match when one of the terms doesn't even appear in the document.

This can be particularly confusing when looking at the explain output for a doc that matches a large boolean query in spite of failing to match on a PhraseQuery which is part of that BQ.


I'll try to attach an isolated test case shortly.

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[jira] Closed: (LUCENE-492) PhraseQuery.explain is broken

Posted by "Hoss Man (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/LUCENE-492?page=all ]
     
Hoss Man closed LUCENE-492:
---------------------------


> PhraseQuery.explain is broken
> -----------------------------
>
>          Key: LUCENE-492
>          URL: http://issues.apache.org/jira/browse/LUCENE-492
>      Project: Lucene - Java
>         Type: Bug

>     Reporter: Hoss Man

>
> PhraseQuery's explain method returns bogus scores in the case where the phrase doesn't match.  Unless i'm crazy, it can even indicate a match when one of the terms doesn't even appear in the document.
> This can be particularly confusing when looking at the explain output for a doc that matches a large boolean query in spite of failing to match on a PhraseQuery which is part of that BQ.
> I'll try to attach an isolated test case shortly.

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[jira] Commented: (LUCENE-492) PhraseQuery.explain is broken

Posted by "Hoss Man (JIRA)" <ji...@apache.org>.
    [ http://issues.apache.org/jira/browse/LUCENE-492?page=comments#action_12365085 ] 

Hoss Man commented on LUCENE-492:
---------------------------------

Aparently Yonik and i wre both hallucinating -- because both of us saw bad explain output coming form my application, but now i can't reproduce it in an issolated test case, and I can't even reproduce it in my app.

> PhraseQuery.explain is broken
> -----------------------------
>
>          Key: LUCENE-492
>          URL: http://issues.apache.org/jira/browse/LUCENE-492
>      Project: Lucene - Java
>         Type: Bug
>     Reporter: Hoss Man

>
> PhraseQuery's explain method returns bogus scores in the case where the phrase doesn't match.  Unless i'm crazy, it can even indicate a match when one of the terms doesn't even appear in the document.
> This can be particularly confusing when looking at the explain output for a doc that matches a large boolean query in spite of failing to match on a PhraseQuery which is part of that BQ.
> I'll try to attach an isolated test case shortly.

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[jira] Resolved: (LUCENE-492) PhraseQuery.explain is broken

Posted by "Hoss Man (JIRA)" <ji...@apache.org>.
     [ http://issues.apache.org/jira/browse/LUCENE-492?page=all ]
     
Hoss Man resolved LUCENE-492:
-----------------------------

    Resolution: Cannot Reproduce

I was never able to reproduce this .. it was probably related to a boolean query containing a phrase query.

> PhraseQuery.explain is broken
> -----------------------------
>
>          Key: LUCENE-492
>          URL: http://issues.apache.org/jira/browse/LUCENE-492
>      Project: Lucene - Java
>         Type: Bug

>     Reporter: Hoss Man

>
> PhraseQuery's explain method returns bogus scores in the case where the phrase doesn't match.  Unless i'm crazy, it can even indicate a match when one of the terms doesn't even appear in the document.
> This can be particularly confusing when looking at the explain output for a doc that matches a large boolean query in spite of failing to match on a PhraseQuery which is part of that BQ.
> I'll try to attach an isolated test case shortly.

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