Check out the new docs for the gatherNodes streaming expression. it Allows you to aggregate and then use those aggregates as input for another expression. You can even do this across collections.
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=62693238 This is slated for Solr 6.1 Joel Bernstein http://joelsolr.blogspot.com/ On Fri, Apr 29, 2016 at 10:38 AM, Mark Robinson <mark123lea...@gmail.com> wrote: > Thanks much everyone! > Appreciate your responses. > > Best, > Mark > > On Thu, Apr 28, 2016 at 10:52 AM, Jay Potharaju <jspothar...@gmail.com> > wrote: > > > On the same lines as Erik suggested but using facet stats instead. you > can > > get stats on your facet fields in the first pass and then include the > > facets that you need in the second pass. > > > > > > > On Apr 27, 2016, at 1:21 PM, Mark Robinson <mark123lea...@gmail.com> > > wrote: > > > > > > Thanks Eric! > > > So that will mean another call will be definitely required to SOLR with > > the > > > facets, before the results can be send back (with the facet fields > being > > > derived traversing through the response). > > > > > > I was basically checking on whether in the "process" method (I believe > > > results will be accessed in the process method), we can dynamically > > > generate facets after traversing through the results and identifying > the > > > fields for faceting, using some aggregation function or so, without > > having > > > to make another call using facet=on&facet.field=<field_name>, before > the > > > response is send back to the user. > > > > > > Cheers! > > > > > > On Wed, Apr 27, 2016 at 2:27 PM, Erik Hatcher <erik.hatc...@gmail.com> > > > wrote: > > > > > >> Results will vary based on how you indexed those fields, but sure… > > >> &facet=on&facet.field=<field_name> - with sufficient RAM, lots of fun > > to be > > >> had! > > >> > > >> — > > >> Erik Hatcher, Senior Solutions Architect > > >> http://www.lucidworks.com <http://www.lucidworks.com/> > > >> > > >> > > >> > > >>>> On Apr 27, 2016, at 12:13 PM, Mark Robinson < > mark123lea...@gmail.com> > > >>> wrote: > > >>> > > >>> Hi, > > >>> > > >>> If I don't have my facet list at query time, from the results can I > > >> select > > >>> some fields and by any means create a facet on them? ie after I get > the > > >>> results I want to identify some fields as facets and send back facets > > for > > >>> them in the response. > > >>> > > >>> A kind of very dynamic faceting based on the results! > > >>> > > >>> Cld some one pls share their idea. > > >>> > > >>> Thanks! > > >>> Anil. > > >> > > >> > > >
