Thank you chris,
I tried you suggestion it worked but one more problem for me is that i have
defined my request handler in solrConfig.xml as below
<requestHandler name="dismax" class="solr.DisMaxRequestHandler" >
<lst name="defaults">
<str name="echoParams">explicit</str>
<float name="tie">0</float>
<str name="qf">
txt1^1.1 txt2^1.2 txt3^1.3 txt4^1.4 txt5^1.5
</str>
<str name="pf">
txt4^1.4 txt5^1.5
</str>
<str name="ps">1</str>
<str name="bf">total_boost</str>
<str name="mm">2<-25%</str>
</lst>
</requestHandler>
correct me if i am wrong isn't the above mm config means if its 1 or 2 terms
then match all but if its more than 2 terms then 25% can be missing.
i get below as parsed query
<str name="parsedquery_toString">+(((txt2:monti^1.2 | txt3:monti^1.3 |
txt1:monti^1.1 | txt4:monti^1.4 | txt5:monti^1.5) (txt2:python^1.2 |
txt3:python^1.3 | txt1:python^1.1 | txt4:python^1.4 | txt5:python^1.5)
(txt2:scandal^1.2 | txt3:scandal^1.3 | txt1:scandal^1.1 | txt4:scandal^1.4 |
txt5:scandal^1.5))~3) (txt4:"monti python scandal"~1^1.4 | txt5:"monti python
scandal"~1^1.5)
sum(product(float(total_boost),const(0.7)),60.0/(1.0*float(rord(upload_time))+2.0))
</str>
if i change
<str name="mm">2<-50%</str>
and do solrCtl restart indexname i don't see any change in parsed query.
what am i doing wrong?
thanks,
vinay
> Date: Fri, 12 Dec 2008 22:53:13 -0800
> From: hossman_luc...@fucit.org
> To: solr-user@lucene.apache.org
> Subject: Re: minimum match issue with dismax
>
>
> : do any one know how to make sure minimum match in dismax is working? i
> : change the values and try doing solrCtl restart indexname but i don't
> : see it taking into effect. any body have an idea on this?
>
> use debugQuery=true, and then look at the parsedquery ... it can
> be somewhat confusing if you aren't use to it, but for simple testing:
> don't use a pf, bf, or bq, set qf to a single field, and set tie=0
>
> using the example configs a url like this...
>
> http://localhost:8983/solr/select/?tie=0&pf=&bq=&bf=&q=first+second+third&qt=dismax&qf=text&mm=50%25&debugQuery=true
>
> produces...
>
> +((DisjunctionMaxQuery((text:first)) DisjunctionMaxQuery((text:second))
> DisjunctionMaxQuery((text:third)))~1) ()
>
> ...that ~1 is the result of computing 50% of 3 rounded down. if i change
> it to 70%...
>
> http://localhost:8983/solr/select/?tie=0&pf=&bq=&bf=&q=first+second+third&qt=dismax&qf=text&mm=70%25&debugQuery=true
>
> ...i get...
>
> +((DisjunctionMaxQuery((text:first)) DisjunctionMaxQuery((text:second))
> DisjunctionMaxQuery((text:third)))~2) ()
>
> ...etc. One thing to watch out for is that the "~X" syntax only shows you
> the minNrShouldMath value for boolean queries. for phrase queries it
> shows you the slop value, and for the individual DisjunctionMaxQueries it
> shows you the tie breaker value (hence blanking out all those params keeps
> it simpler and easier to spot the mm value getting used)
>
>
>
> -Hoss
>
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