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From "Digy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENENET-370) boosting fields when creating index document no longer seems to work in 2.9.*
Date Sat, 10 Jul 2010 19:15:50 GMT

    [ https://issues.apache.org/jira/browse/LUCENENET-370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12887084#action_12887084
] 

Digy commented on LUCENENET-370:
--------------------------------

Hi Brett,

Have you tested Lucene.Net 2.9.X using *queryParser.SetMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE)*
?

DIGY

> boosting fields when creating index document no longer seems to work in 2.9.*
> -----------------------------------------------------------------------------
>
>                 Key: LUCENENET-370
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-370
>             Project: Lucene.Net
>          Issue Type: Bug
>         Environment: XP  VS2010 c#
>            Reporter: Brett J
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Hello,
> there seems to be an issue with boosting document fields in 2.9.*.
> If I switch the lucene DLL back to 2.4.0.2 it works fine, but when I change to 2.9.*
or above, the boost no longer seems to have an effect on the query results.
> i.e 
> Field fldContent = new Field("f1", value, Field.Store.YES, Field.Index.ANALYZED);
> fldContent.SetBoost(1000)
> Field fldContent = new Field("f2", value, Field.Store.YES, Field.Index.ANALYZED);
> fldContent.SetBoost(1)
> A prefix query searching both f1 and f2 should always return f1 matches with a higher
score and at the top of the results, this seems to be broken in 2.9.*.
> If you add the boost to the query itself and not the field it works correctly, but this
is slower and we want to avoid it.
> We had to downgrade back to 2.4.0.2 to get around the issue
> cheers
> Brett
> ..

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