Consider upgrading to the 3.1 branch which gives you true sort by function
http://wiki.apache.org/solr/FunctionQuery#Sort_By_Function
--
Jan Høydahl, search solution architect
Cominvent AS - www.cominvent.com
Training in Europe - www.solrtraining.com
On 18. juni 2010, at 01.23, Chris Hostetter wrote:
>
> : I want to reorder the results as per function like
> : sum(w0*score, w1*field1, w2*field2, w3*filed3,..)
> :
> : I am using solr1.4 and it seems it does not support sort by function.
> :
> : How can this be achieved
> :
> : I tried using
> : q=(query)^w0 (_val_:field1)^w1 (_val_:field2...)^w2
>
> try fq=(query)&q={!func}sum(...)
>
> ...if you can't express the entire query as a pure function, and need to
> resort to a BooleanQuery consisting of many individual function queries
> (like in your example) then consider writing a custom Similarity class
> that eliminates the querynorm.
>
>
> -Hoss
>
