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https://issues.apache.org/jira/browse/LUCENE-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Busch resolved LUCENE-1134.
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Resolution: Fixed
Lucene Fields: [New, Patch Available] (was: [Patch Available, New])
Committed. Thanks, Shai!
> BooleanQuery.rewrite does not work properly for minNumberShouldMatch
> --------------------------------------------------------------------
>
> Key: LUCENE-1134
> URL: https://issues.apache.org/jira/browse/LUCENE-1134
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.4
> Reporter: Shai Erera
> Priority: Minor
> Attachments: LUCENE-1134.patch
>
>
> BooleanQuery.rewrite does not respect minNumberShouldMatch if the number of
> clauses is 1. This causes inconsistencies for the queries "+def" and "+abc
> +def", while setting the minNumShouldMatch to '1' for both.
> For the first query, results are returned although there are no SHOULD
> clauses in the query.
> For the second query no results are returned.
> The reason lies in the optimization BooleanQuery.rewrite has for one clauses
> queries.
> Patch included - optimize the query for a single clause only if the
> minNumShouldMatch <= 0.
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