Hi Joel,
Thanks for your reply,
Yes, I considered the Collapse and Expand [1] , the problem is that I'll
deploy it
on a multishard instance and I want to retrieve the top N groups.
I thing that collapse and expand could have two downsides:
i) it won't guarantee the retrieval of N groups, I could
As you've seen RankQueries won't currently have any effect on Grouping
queries.
A RankQuery can be combined with Collapse and Expand though. You may want
to review Collapse and Expand and see if it meets your use case.
Joel Bernstein
http://joelsolr.blogspot.com/
On Wed, Jul 15, 2015 at 2:36 PM,