Mark,
I just opened:
https://issues.apache.org/jira/browse/LUCENE-1752
Thank you very much for looking into this!
Koji
Mark Miller wrote:
> Thanks Koji - I just made a patch for the fix if you want to pop open a
> JIRA issue.
>
> Two query types were making their own terms map and passing them to
> extract, rather than using the top level term map - but extract would
> use the term map to see if it saw the term before. The result was, for
> the two query types that did that, boolean and disjunctmax: the last
> term sighting was the only valid position being stored. Thanks a lot for
> the test case - made this one fun.
>
> - Mark
>
> Koji Sekiguchi wrote:
>
>> Hello,
>>
>> 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.
>> The program for reproducing is at the end of this mail.
>>
>> Query:
>> (f1:"a b c d" OR f2:"a b c d") AND (f1:"b c g" OR f2:"b c g")
>>
>> The snippet we expected is:
>> 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>
>>
>> but we got:
>> x y z <B>a</B> b c <B>d</B> e f g <B>b</B> <B>c</B> <B>g</B>
>>
>> Thank you,
>>
>> Koji
>> ---------
>>
>> 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 ) );
>> }
>> }
>>
>>
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>>
>>
>
>
>
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