Hi Thomas, Right, its better not to use any scorer if there are orderby clause other then default "jcr:score".
Thanks -Rishabh On Thu, Jan 15, 2015 at 8:44 PM, Thomas Mueller <[email protected]> wrote: > Hi, > > I wonder, do we only need to use the (custom) scorer if the query orders > by the pseudo-property "jcr:score"? I mean, it's probably faster not to > use any scorer, right? > > Regards, > Thomas > > > > On 15/01/15 08:17, "Rishabh Kumar Maurya" <[email protected]> wrote: > > >Hi, > > > >We have search enhancements requests based on search results relevance > >like - > > > >1. boosting score of recently modified documents. > >2. boosting documents which are created/last updated by current session > >user.(OR boosting on basis specific docfield value). > >3. boosting documents with a field value in certain range. > > > >these are similar to Solr Function Queries[0] use case. I have logged a > >issue[1]. > > > >With Chetan's help I came up with a custom scorer implementation[2], > >which exposes lucene CustomScoreQuery[3] via OSGI and one can implement > >custom ScorerProvider and use it by configuring index definition with > >custom ScorerProvider name. > > > >Implementation details - > > > >1. ScorerProvider - ScorerProvider creates lucene CustomScoreQuery, which > >user can implement and configure its name in index definition. > > > >2. ScorerProviderFactory - ScorerProviderFactoryImpl tracks all > >ScorerProvider services bound and looks up for ScorerProvider from its > >name. > > > >3. test - customScoreQuery - boost document with specific docfield value > >( in this case jcr:createdBy containing 'foo') > > > >Please review and provide feedbacks. Also, this implementation has > >following requirements - > > > >1. Scorer uses lucene packges(for now exported all lucene packages from > >oak-lucene) > >2. Some way to access field names in scorer implementation on the basis > >of name defined in property definition > > > > > >Thanks > > > >[0] http://wiki.apache.org/solr/FunctionQuery > >[1] https://issues.apache.org/jira/browse/OAK-2399 > >[2] https://github.com/rishabhmaurya/jackrabbit-oak/commit/9042200bd > >[3] > > > http://lucene.apache.org/core/4_7_1/queries/org/apache/lucene/queries/Cust > >omScoreQuery.html > > > >
