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From Koji Sekiguchi <k...@r.email.ne.jp>
Subject Re: [jira] Commented: (LUCENE-1752) incorrect snippet returned with SpanScorer
Date Sat, 18 Jul 2009 03:49:29 GMT
Monday is the National holiday in Japan. I think they will test on Tuesday.

Koji

Koji Sekiguchi (JIRA) wrote:
>     [ https://issues.apache.org/jira/browse/LUCENE-1752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732531#action_12732531
] 
>
> Koji Sekiguchi commented on LUCENE-1752:
> ----------------------------------------
>
> The patch looks good! Thanks, Mark.
>
> I think the customer will test the patch with their data on uni-gram environment on Monday.
I'll report back. Thanks again. :)
>
>   
>> incorrect snippet returned with SpanScorer
>> ------------------------------------------
>>
>>                 Key: LUCENE-1752
>>                 URL: https://issues.apache.org/jira/browse/LUCENE-1752
>>             Project: Lucene - Java
>>          Issue Type: Bug
>>          Components: contrib/highlighter
>>    Affects Versions: 2.9
>>            Reporter: Koji Sekiguchi
>>            Assignee: Mark Miller
>>            Priority: Minor
>>         Attachments: LUCENE-1752.patch
>>
>>
>> This problem was reported by my customer. They are using Solr 1.3 and uni-gram, but
it can be reproduced with Lucene 2.9 and WhitespaceAnalyzer.
>> {panel:title=Query}
>> (f1:"a b c d" OR f2:"a b c d") AND (f1:"b c g" OR f2:"b c g")
>> {panel}
>> The snippet we expected is:
>> {panel}
>> x y z <B>a</B> <B>b</B> <B>c</B> <B>d</B>
e f g <B>b</B> <B>c</B> <B>g</B>
>> {panel}
>> but we got:
>> {panel}
>> x y z <B>a</B> b c <B>d</B> e f g <B>b</B> <B>c</B>
<B>g</B>
>> {panel}
>> Program to reproduce the problem:
>> {code}
>> public class TestHighlighter {
>>   static final String CONTENT = "x y z a b c d e f g b c g";
>>   static final String PH1 = "\"a b c d\"";
>>   static final String PH2 = "\"b c g\"";
>>   static final String F1 = "f1";
>>   static final String F2 = "f2";
>>   static final String F1C = F1 + ":";
>>   static final String F2C = F2 + ":";
>>   static final String QUERY_STRING =
>>     "(" + F1C + PH1 + " OR " + F2C + PH1 + ") AND ("
>>     + F1C + PH2 + " OR " + F2C + PH2 + ")";
>>   static Analyzer analyzer = new WhitespaceAnalyzer();
>>   
>>   public static void main(String[] args) throws Exception {
>>     QueryParser qp = new QueryParser( F1, analyzer );
>>     Query query = qp.parse( QUERY_STRING );
>>     CachingTokenFilter stream = new CachingTokenFilter( analyzer.tokenStream( F1,
new StringReader( CONTENT ) ) );
>>     Scorer scorer = new SpanScorer( query, F1, stream, false );
>>     Highlighter h = new Highlighter( scorer );
>>     System.out.println( "query : " + QUERY_STRING );
>>     System.out.println( h.getBestFragment( analyzer, F1,  CONTENT ) );
>>   }
>> }
>> {code}
>>     
>
>   


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