Hi Christoph, You can open an issue for this. I think we can use the child score as an explanation of why a parent doc is scored the way it is.
Martijn On 25 May 2012 13:20, Christoph Kaser <lucene_l...@iconparc.de> wrote: > Hello all, > > I try to calculate score explanations for a query that contains a > ToParentBlockJoinQuery and get the following exception: > > java.lang.UnsupportedOperationException: > org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight cannot > explain match on parent document > at > org.apache.lucene.search.join.ToParentBlockJoinQuery$BlockJoinWeight.explain(ToParentBlockJoinQuery.java:222) > at > org.apache.lucene.search.BooleanQuery$BooleanWeight.explain(BooleanQuery.java:236) > > I can understand that the ToParentBlockJoinQuery cannot explain the scores > of this document's children, but would it be possible not to throw an > exception but to simply output the score this document got from its > children? This would allow me to analyze the score obtained from other parts > of the complete query, and if needed, I could still get an explanation on > the childquery itself with a specific child id. > > Should I open an issue for this, or is it impossible to output any kind of > explanation (even a dummy explanation) in BlockJoinWeight? > > Regards, > Christoph > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > -- Met vriendelijke groet, Martijn van Groningen --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
