Hi Stefan- Can you clarify your example a little bit? It sounds like you want to facet over three different match sets (one constrained by "Mark Twain" as the author, one constrained by "American authors" and one constrained by the "sci-fi" genre). Is that correct?
Cheers, -Greg On Fri, Feb 10, 2023 at 11:33 AM Stefan Vodita <stefan.vod...@gmail.com> wrote: > Hi all, > > Let’s say I have an index of books, similar to the example in the facet > demo [1] > with a hierarchical facet field encapsulating `Genre / Author’s > nationality / > Author’s name`. > > I might like to find the latest publish date of a book written by Mark > Twain, the > sum of the prices of books written by American authors, and the number of > sci-fi novels. > > As far as I understand, this would require faceting 3 times over the > match-set, > one iteration for each aggregation of a different type (max(date), > sum(price), > count). That seems inefficient if we could instead compute all > aggregations in > one pass. > > Is there a way to do that? > > > Stefan > > [1] > https://javadoc.io/doc/org.apache.lucene/lucene-demo/latest/org/apache/lucene/demo/facet/package-summary.html > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
