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Posted to dev@lucene.apache.org by "Koji Sekiguchi (JIRA)" <ji...@apache.org> on 2009/07/17 16:03:15 UTC
[jira] Commented: (LUCENE-1752) incorrect snippet returned with
SpanScorer
[ 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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Re: [jira] Commented: (LUCENE-1752) incorrect snippet returned with
SpanScorer
Posted by Koji Sekiguchi <ko...@r.email.ne.jp>.
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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