Hi Oleg, I agree, true "rollup" ability is needed in the JSON Facet API. I'm currently on vacation... just happened to catch this message. When I return next week, I'll try to communicate/contribute some brainstorming I've been mulling around what the API might look like.
-Yonik On Thu, Mar 31, 2016 at 9:00 AM, Oleg Savrasov <[email protected]> wrote: > Hi Yonik, > > > I’ve been working on [SOLR-5743] Faceting with BlockJoin support, and I > think it would be nice to integrate this functionality into JSON Facet API. > Current JSON options provide either querying child documents and faceting on > parent ones, or vice versa, i.e. querying parent documents and calculating > facets on all their children. But for typical eCommerce product/sku > navigation it’s important to query parent documents that have some specific > children (using ToParentBlockJoinQuery) and calculate correspondent facets. > I.e. we need to calculate number of parent documents that have matched > children with particular attributes. In example, provided on > http://yonik.com/solr-nested-objects/, let’s suppose that user searches > books that have 5 star reviews and wants to have a facet by authors with > number of books (i.e. reviewing the same book again is not counted). > > It looks like neither blockChildren nor blockParent suite for this use case. > Do you have an idea of how to extend JSON facets to cover such usage? > > > Oleg --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
