Hi Ahmet, I also tried this .../select?q=MacBook&sort=sum(base_score, score)+desc&wt=json&indent=true
I got the same error "error":{ "msg":"Can't determine a Sort Order (asc or desc) in sort spec 'sum(base_score, score) desc', pos=15", "code":400}} Best regards, Chun -- View this message in context: http://lucene.472066.n3.nabble.com/Customise-score-tp4145214p4145320.html Sent from the Solr - User mailing list archive at Nabble.com.