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Posted to dev@lucenenet.apache.org by "Vivien (Created) (JIRA)" <ji...@apache.org> on 2011/10/27 06:37:32 UTC
[Lucene.Net] [jira] [Created] (LUCENENET-449) In Lucene .Net version 2.9.2,
method Query.Rewrite() does not work as expected.
In Lucene .Net version 2.9.2, method Query.Rewrite() does not work as expected.
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Key: LUCENENET-449
URL: https://issues.apache.org/jira/browse/LUCENENET-449
Project: Lucene.Net
Issue Type: Bug
Components: Lucene.Net Core
Affects Versions: Lucene.Net 2.9.2
Environment: Windows 7, Microsoft .Net 3.5.
Reporter: Vivien
When WildcardQuery.Rewrite method is called, it calls ConstantScoreAutoRewrite.Rewrite method.
In this method, int docCountCutoff seems to be 0 for the cases I tested, therefore, docVisitCount is usually greater than
docCountCutoff, as the result of this, the code block where // Too many terms -- make a filter is executed.
So if we have document (with contents "text cat and cut") indexed, we want to search for c*t, if we set the initial query to have the search criteria c*t, then call query.rewrite(), I am expecting to have the result query with criteria of searching for cat + cut. Version 2.9.2 just returns the original wildcard query, which is not a correct behaviour if you look at version 2.4.1.
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[Lucene.Net] [jira] [Closed] (LUCENENET-449) In Lucene .Net version 2.9.2,
method Query.Rewrite() does not work as expected.
Posted by "Vivien (Closed) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/LUCENENET-449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vivien closed LUCENENET-449.
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Resolution: Not A Problem
I figured out the new way of handling it.
> In Lucene .Net version 2.9.2, method Query.Rewrite() does not work as expected.
> -------------------------------------------------------------------------------
>
> Key: LUCENENET-449
> URL: https://issues.apache.org/jira/browse/LUCENENET-449
> Project: Lucene.Net
> Issue Type: Bug
> Components: Lucene.Net Core
> Affects Versions: Lucene.Net 2.9.2
> Environment: Windows 7, Microsoft .Net 3.5.
> Reporter: Vivien
>
> When WildcardQuery.Rewrite method is called, it calls ConstantScoreAutoRewrite.Rewrite method.
> In this method, int docCountCutoff seems to be 0 for the cases I tested, therefore, docVisitCount is usually greater than
> docCountCutoff, as the result of this, the code block where // Too many terms -- make a filter is executed.
> So if we have document (with contents "text cat and cut") indexed, we want to search for c*t, if we set the initial query to have the search criteria c*t, then call query.rewrite(), I am expecting to have the result query with criteria of searching for cat + cut. Version 2.9.2 just returns the original wildcard query, which is not a correct behaviour if you look at version 2.4.1.
--
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