hey, On Thu, Jan 5, 2012 at 9:31 PM, Christopher Gross <cogr...@gmail.com> wrote: > I'm getting different results running these queries: > > http://localhost:8080/solr/select?&q=*:*&fq=source:wiki&fq=tag:car&sort=score+desc,dateSubmitted+asc&fl=title,score,dateSubmitted&rows=100 > > http://localhost:8080/solr/select?fq=source:wiki&q=tag:car&sort=score+desc,dateSubmitted+desc&fl=title,score,dateSubmitted&rows=100 > > They return the same amount of results (and I'm assuming the same > ones) -- but the first one (with q=*:*) has a score of 1 for all > results, making it only sort by dateSubmitted. The second one has > scores, and it properly sorts them. > > I was thinking that the two would be equivalent and give the same > results in the same order, but I'm guessing that there is something > happening behind the scenes in Solr (Lucene?) that makes the *:* give > me a score of 1.0 for everything. I tried to find some documentation > to figure out if this is the case, but I'm not having much luck for > that.
q=*:* is a constant score query that retireves all documents in your index. The issue here is that with *:* you don't have anything to score while with q=tag:car you can score the term car with tf idf etc. does that make sense? simon > > I have a JSP file that will take in parameters, do some work on them > to make them appropriate for Solr, then pass the query it builds to > Solr. Should I just put more brains in that to avoid using a *:* > (we're trying to verify results and we ran into this oddity). > > This is for Solr 3.4, running Tomcat 5.5.25 on Java 1.5. > > Thanks! Let me know if Ineed to clarify anything... > > -- Chris
