Hello,I found the problem and it was my misunderstanding. I didn't get first documents in every group, because some of head documents didn't match given query. I made a wrong assumption that I can sort between all documents within group.
-- Regards, Grzegorz --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org