Hi,
I just performed two queries which, in my opinion, should lead to the
same document rankings. However, the document ranking differ between
these two queries. For better understanding I prepared minimal examples
for both queries. In my understanding both queries perform the same
task. Namely search for "lucene" in two different fields.
Maybe someone can explain me my misunderstanding?
String[] fields = {"TITLE", "BOOK"};
MultiFieldQueryParser parser = new
MultiFieldQueryParser(Version.LUCENE_29, fields, new
StandardAnalyzer(Version.LUCENE_29));
1.)
Query q = parser.parse("lucene");
2.)
Query q = parser.parse(TITLE:lucene OR BOOK:lucene);
Regards,
philippe
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