You should first run the query on the parent domain ( give me all the books or a limited set of them). Then you should do the faceting on the children domain.
>From Yonik blog : " $ curl http://localhost:8983/solr/demo/query -d ' q=cat_s:(sci-fi OR fantasy)&fl=id,title_t& json.facet={ top_reviewers : { type: terms, field: author_s, domain: { blockChildren : "type_s:book" } } }' Response: "response":{"numFound":2,"start":0,"docs":[ { "id":"book1", "title_t":["The Way of Kings"]}, { "id":"book2", "title_t":["Snow Crash"]}] }, "facets":{ "count":2, "top_reviewers":{ "buckets":[{ "val":"dan", "count":2}, { "val":"yonik", "count":2}, { "val":"mary", "count":1}] }}" Cheers 2015-08-05 3:10 GMT+01:00 dxxd116 <caixingli...@gmail.com>: > If I want to do a faceting on field in child document and the get the count > of parent document, how should I construct my query? > > E.g, I want to find out the authors who have written reviews on the largest > number of books, as in the example nested document structures . > > > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Parent-Child-Nested-Document-Faceting-tp4211632p4220894.html > Sent from the Solr - User mailing list archive at Nabble.com. > -- -------------------------- Benedetti Alessandro Visiting card - http://about.me/alessandro_benedetti Blog - http://alexbenedetti.blogspot.co.uk "Tyger, tyger burning bright In the forests of the night, What immortal hand or eye Could frame thy fearful symmetry?" William Blake - Songs of Experience -1794 England
