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https://issues.apache.org/jira/browse/LUCENE-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-3347:
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Fix Version/s: 4.0
3.4
Assignee: Uwe Schindler
> XMLparser drops user boosting
> -----------------------------
>
> Key: LUCENE-3347
> URL: https://issues.apache.org/jira/browse/LUCENE-3347
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.1
> Reporter: moogie
> Assignee: Uwe Schindler
> Priority: Minor
> Fix For: 3.4, 4.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The lucene XML parser seems to convert user defined boosting back to default
> 1.0 and thus boosting value is dropped from the query...
> e.g.
> <BooleanQuery>
> <Clause occurs="must">
> <BooleanQuery>
> <Clause occurs="should">
> <UserQuery fieldName="Vehicle.Colour">red^66
> blue~^8</UserQuery>
> </Clause>
> </BooleanQuery>
> </Clause>
> <Clause occurs="should">
> <BooleanQuery>
> <Clause occurs="should">
> <UserQuery
> fieldName="Vehicle.Colour">black^0.01</UserQuery>
> </Clause>
> </BooleanQuery>
> </Clause>
> </BooleanQuery>
> produces a lucene query: +( ( Vehicle.Colour:red^66 Vehicle.Colour:blue~0.5^8
> ) ) ( Vehicle.Colour:black )
> The expected query : +( ( Vehicle.Colour:red^66 Vehicle.Colour:blue~0.5^8 ) )
> ( Vehicle.Colour:black^0.01 )
> I have developed a work around by modifying line 77 of
> UserInputQueryBuilder.java
> from:
> q.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
> to:
> q.setBoost( DOMUtils.getAttribute( e, "boost", q.getBoost() ) );
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