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- 12-02-2011, 10:03 AM #1Member
- Join Date
- Dec 2011
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Lucene finds nothing, Luke on the other hand finds everything!
I am a bit puzzled over this. I have a query which should return some documents, if I use Luke, I obtain hits using the org.apache.lucene.analysis.KeywordAnalyzer.
This is the query:
(I have data indexed using:
doc.add(new Field("domain", NB-ARC, Field.Store.YES, Field.Index.NOT_ANALYZED)); )
Explain structure reveals that Luke is employing a PrefixQuery. Ok, now I want to obtain these results using my Java application:
//Using the QueryParser, let him decide what to do with it:
Query q = new QueryParser(Version.LUCENE_35, "contents", analyzer).parse("domain:NB-AR*");
System.out.println("Type of query: " + q.getClass().getSimpleName());
// Type of query: PrefixQuery so that's ok
int hitsPerPage = 1000;
TopScoreDocCollector collector = TopScoreDocCollector.create(hitsPerPage, true);
ScoreDoc hits = collector.topDocs().scoreDocs;
System.out.println("Found " + hits.length + " hits.");
// Unfortunately 0 hits.
// move on and make specify a Term and PrefixQuery:
Term term = new Term("domain", "NB-AR");
q = new PrefixQuery(term);
collector = TopScoreDocCollector.create(hitsPerPage, true);
hits = collector.topDocs().scoreDocs;
// Found with prefix 441 hits.
I tried to lowercase the search query, re-index and made the field: Field.Index.ANALYZED but nothing worked...
I have a feeling it is something very trivial, but I just can't figure it out...
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