Where is df (the DuplicateFilter) used in your code?

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de

> -----Original Message-----
> From: Паша Минченков [mailto:char...@gmail.com]
> Sent: Monday, May 31, 2010 8:27 AM
> To: java-user@lucene.apache.org
> Subject: DuplicateFilter question
> 
> Hi,
> 
> Why DuplicateFilter doesn't work together with other filters? For example,
if
> a little remake of the test DuplicateFilterTest, then the impression that
the
> filter is not applied to other filters and first trims results:
> 
> public void testKeepsLastFilter()
>       throws Throwable {
>       DuplicateFilter df = new DuplicateFilter(KEY_FIELD);
>       df.setKeepMode(DuplicateFilter.KM_USE_LAST_OCCURRENCE);
> 
>       Query q = new ConstantScoreQuery(new ChainedFilter(new Filter[]{
>       new QueryWrapperFilter(tq),
>       // new QueryWrapperFilter(new TermQuery(new Term("text",
> "out"))), // works right, it is the last document.
>       new QueryWrapperFilter(new TermQuery(new Term("text",
> "now"))) // why it doesn't work? It is the third document.
> 
>       }, ChainedFilter.AND));
> 
>       ScoreDoc[] hits = searcher.search(q, df, 1000).scoreDocs;
> 
>       assertTrue("Filtered searching should have found some matches",
> hits.length > 0);
>       for (int i = 0; i < hits.length; i++) {
>       Document d = searcher.doc(hits[i].doc);
>       String url = d.get(KEY_FIELD);
>       TermDocs td = reader.termDocs(new Term(KEY_FIELD, url));
>       int lastDoc = 0;
>       while (td.next()) {
>       lastDoc = td.doc();
>       }
>       assertEquals("Duplicate urls should return last doc", lastDoc,
> hits[i].doc);
>       }
> }
> 
> --
> С уважением,
> Минченков Павел
> 
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