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From Grant Ingersoll <gsing...@apache.org>
Subject Re: debugQuery=true issue
Date Mon, 27 Jul 2009 17:42:46 GMT
What's the line number that is giving the NPE?  Can you paste in a  
stack trace?

-Grant

On Jul 27, 2009, at 10:59 AM, gwk wrote:

> gwk wrote:
>> Hi,
>>
>> I'm playing around with sorting via functionqueries, and I've set  
>> _val_ to the following:
>>
>> sum(product(always_on_top,5),recip(rord(publication_date), 
>> 1,1000,1000))
>>
>> Where the field always_on_top is a simple boolean field, where  
>> documents with always_on_top:true should always be on top. I ran  
>> into a problem where one of the documents with always_on_top = true  
>> was all the way on the bottom instead of on top. So I extracted the  
>> query out of my system en copied it to my browser and added  
>> &debugQuery=true which gave a NullPointerException. After some  
>> searching I found out the document in question had no  
>> publication_date field set (which is totally my fault) however it  
>> took quite a while to discover this since I couldn't turn on  
>> debugQuery. Is this a bug or expected behviour?
>>
>> Regards,
>>
>> gwk
>>
> Oops, it seems it's due to a fq in the same query, not because of  
> the, there's a range query on price:
>
> fq=price:({0 TO *} OR 0)
>
> Removing this filter makes debugQuery work however strange thing  
> happen, I took my original query and took the first result and the  
> last result and performing the query (on unique id) without the fq  
> and debugQuery=true yields:
>
> <result name="response" numFound="2" start="0" maxScore="10.288208">
> <doc>
>  <float name="score">10.288208</float>
>  <double name="price">195500.0</double>
>  <date name="publication_date">2009-06-12T12:07:11Z</date>
>  <bool name="always_on_top">true</bool>
>  <str name="id">695658</str>
> </doc>
> <doc>
>  <float name="score">5.1031165</float>
>  <double name="publication_date">680000.0</double>
>  <bool name="always_on_top">true</bool>
>  <str name="id">147563</str>
> </doc>
> </result>
>
> while debug part of the response contains:
>
> <lst name="explain">
> <str name="695658">
> 10.287015 = (MATCH) sum of:
> 0.09950372 = (MATCH) MatchAllDocsQuery, product of:
>  0.09950372 = queryNorm
> 10.187511 = (MATCH)  
> FunctionQuery(sum(product(ord(homepage_teaser),const(5.0)),1000.0/ 
> (1.0*float(top(rord(first_publication_date)))+1000.0))), product of:
>  10.238322 = sum(product(ord(homepage_teaser)=2,const(5.0)),1000.0/ 
> (1.0*float(rord(first_publication_date)=3196)+1000.0))
>  10.0 = boost
>  0.09950372 = queryNorm
> </str>
> <str name="147563">
> 10.078215 = (MATCH) sum of:
> 0.09950372 = (MATCH) MatchAllDocsQuery, product of:
>  0.09950372 = queryNorm
> 9.978711 = (MATCH)  
> FunctionQuery(sum(product(ord(homepage_teaser),const(5.0)),1000.0/ 
> (1.0*float(top(rord(first_publication_date)))+1000.0))), product of:
>  10.028481 = sum(product(ord(homepage_teaser)=2,const(5.0)),1000.0/ 
> (1.0*float(rord(first_publication_date)=34112)+1000.0))
>  10.0 = boost
>  0.09950372 = queryNorm
> </str>
> </lst>
>
> So the score in the response doesn't match the score in debugQuery's  
> output. Does this have something to do with SOLR-947?
>
> I'm currently using Solr 1.4 trunk (revision 787997, which is about  
> a month old iirc)
>
> Regards,
>
> gwk

--------------------------
Grant Ingersoll
http://www.lucidimagination.com/

Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids)  
using Solr/Lucene:
http://www.lucidimagination.com/search


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