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From Doug Cutting <cutt...@apache.org>
Subject Re: Ordening documents
Date Tue, 20 Jan 2004 17:37:24 GMT
Yes, this is correct.

Peter Keegan wrote:
> So they are sorted by reverse document number. Is this the 'external'
> document number (the one that is adjusted for the segment's base)? If so,
> then this means that documents with equal score are returned in the order in
> which they were added to the index.  Is this correct?
> 
> Thanks,
> Peter
> 
> ----- Original Message ----- 
> From: "Morus Walter" <morus.walter@gmx.de>
> To: "Lucene Users List" <lucene-user@jakarta.apache.org>
> Sent: Saturday, January 17, 2004 4:57 PM
> Subject: Re: Ordening documents
> 
> 
> 
>>Peter Keegan writes:
>>
>>>What is the returned order for documents with identical scores?
>>
>>have a look at the source of the lessThan method in
>>org.java.lucene.search.HitQueue:
>>
>>protected final boolean lessThan(Object a, Object b) {
>>    ScoreDoc hitA = (ScoreDoc)a;
>>    ScoreDoc hitB = (ScoreDoc)b;
>>    if (hitA.score == hitB.score)
>>      return hitA.doc > hitB.doc;
>>    else
>>      return hitA.score < hitB.score;
>>}
>>
>>sorting is done by this method.
>>
>>HTH
>>Morus
>>
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> 
> 
> 
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