On Wed, Mar 5, 2008 at 4:07 PM, Chris Hostetter <[EMAIL PROTECTED]> wrote: > : > Using the StandardRequestHandler, it appears that the index boost > values are > > : > ignored when the query has a wildcard in it. For example, if I have 2 > : > <doc>'s and one has a boost of 1.0 and another has a boost of 10.0, > then I > : > do a search for "bob*", both records will be returned with the same > score of > : > 1.0. If I just do a normal search then the <doc> that has the higher > boost > : > has the higher score as expected. > > : A feature :-) > > : Solr uses ConstantScoreRangeQuery and ConstantScorePrefixQuery to > : avoid getting exceptions from too many terms. > > Hmmm... except for the fact that the name would be even more missleading, > there's really no performance related reason why ConstantScoreRangeQuery > and ConstantScorePrefixQuery couldn't use the fieldNorms (if they exist) > when computing the score. the "constant score" part of their names > refered to not doing term expansion to find tf/idf factors ... but the > doc/field/length info encoded into the norms could still be factored into > the score fairly efficiently.
Doug & I talked about this a while ago. At a minimum, it would require byte[maxDoc()] to store scores in a compressed 8 bit format. It would certainly impact performance too. -Yonik
