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Date: Fri, 12 Jun 2009 13:01:07 -0700 (PDT)
From: "Billow Gao (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-1599) SpanRegexQuery and SpanNearQuery is
 not working with MultiSearcher
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    [ https://issues.apache.org/jira/browse/LUCENE-1599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718958#action_12718958 ] 

Billow Gao commented on LUCENE-1599:
------------------------------------

I rewrote the MultiSearcher for my system. Actually, we rewrote most lucene analyzer/parser/search functions...
So my patch won't work for others.

I will look into the SpanQuery function when I get a chance. I believe that our patch should be applied there.
Also, I don't like MultiSearcher's combine function.

> SpanRegexQuery and SpanNearQuery is not working with MultiSearcher
> ------------------------------------------------------------------
>
>                 Key: LUCENE-1599
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1599
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/*
>    Affects Versions: 2.4.1
>         Environment: lucene-core 2.4.1, lucene-regex 2.4.1
>            Reporter: Billow Gao
>             Fix For: 2.9
>
>         Attachments: TestSpanRegexBug.java
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> MultiSearcher is using:
> queries[i] = searchables[i].rewrite(original);
> to rewrite query and then use combine to combine them.
> But SpanRegexQuery's rewrite is different from others.
> After you call it on the same query, it always return the same rewritten queries.
> As a result, only search on the first IndexSearcher work. All others are using the first IndexSearcher's rewrite queries.
> So many terms are missing and return unexpected result.
> Billow

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