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From Simon Willnauer <simon.willna...@googlemail.com>
Subject Re: FW: Re: lucene3.0.2: getting incorrect no. of occurrence in file
Date Wed, 08 Dec 2010 13:46:56 GMT
On Wed, Dec 8, 2010 at 2:43 PM, Erick Erickson <erickerickson@gmail.com> wrote:
> I don't think this code is doing anything predictable. From the javadocs for
> TermDocs.skipTo():
> Skips entries to the first beyond the current whose document number is
> greater than or equal to *target*.
>
> Returns true iff there is such an entry.
> You're not testing the return value from skipTo. The document IDs returned
> in scoredocs aren't necessarily in ascending doc ID order so I'd guess
> that skipTo is returning false a lot of the time and in that case you're
> getting
> the frequency of a doc that isn't in your result set.

Well I didn't even got that far in the code man :D
>
> Best
> Erick
>
>
> On Wed, Dec 8, 2010 at 12:33 AM, Ranjit Kumar <Ranjit.Kumar@otssolutions.com
>> wrote:
>
>> Hi,
>>                Thanks for your replay!!!
>>                                Below is code I am using for search
>>                                                String line="sql
server";
>> IndexReader reader = IndexReader.open(FSDirectory.open(new
>> File(indexpath)), true);   // contains index file path
>>                Searcher searcher = new IndexSearcher(reader);
>>                Analyzer analyzer = new
>> StandardAnalyzer(Version.LUCENE_CURRENT);
>> QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, field,
>> analyzer);
>> if (line != null) {
>>                line = line.trim();
>>                Query query = parser.parse(line);
>>                int n = 100;
>>                TopDocs docs = searcher.search(query, n);
>>                TermDocs termDocs = reader.termDocs(new Term(field, line.
>> toLowerCase()));
>>                System.out.println("   " + docs.totalHits + " total matching
>> documents\n");
>>                for (int i = 0; i < docs.scoreDocs.length; i++) {
>>                    int totalFreq = 0;
>>                    Document document =
>> reader.document(docs.scoreDocs[i].doc);
>>                    termDocs.skipTo(i);
>>                    String path = document.get("path");
>>                    System.out.println("path>>" + path);
>>                    totalFreq = termDocs.freq();
>>   System.out.println("totalFreq >>" + totalFreq);
>>                    }
>>
>>                }
>>
>>
>> Thanks & Regards,
>> Ranjit Kumar
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>

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