Glad you got it sorted out. If you feel there's some documentation that could be pushed back into Lucene in some way as well, contributions are always welcome!
Cheers, -Greg On Fri, Nov 17, 2023 at 10:31 AM Tony Schwartz <t...@xfire.io.invalid> wrote: > I have been fighting through it, and have had plenty of success now. It's > just that it's a bit finnicky and a little confusing. At some point, I may > think to create a write-up of my own or a video or something to help others > understand how faceting works in Lucene. I'm certainly no expert, but I > have been learning a lot about it by debugging and fighting through it. > Thank you, and also thank you, Stefan for your responses and for your > help. Stefan, I will review your demo as well. > > Thank you, > > Tony > > > -----Original Message----- > From: Greg Miller <gsmil...@gmail.com> > Sent: Thursday, November 16, 2023 14:56 > To: java-user@lucene.apache.org > Subject: Re: Faceting Queries NON-Taxonomy-based > > Hi Tony- > > There are indeed a few different ways faceting can be implemented, which > can be confusing. Can you share a little more about what you're looking to > do with faceting? It sounds like maybe you want to facet on a docvalues > field you already have in your index? If that's the use-case, you might > want to look at `StringValueFacetCounts`. There isn't demo code > specifically for it, but there are some test cases and javadoc. But if you > have some more details on what you're looking to do, myself (or someone > else here) might be able to provide some more pointers. > > Cheers, > -Greg > > On Thu, Nov 16, 2023 at 9:02 AM Stefan Vodita <stefan.vod...@gmail.com> > wrote: > > > Hi Tony, > > > > I put together a demo for faceting using `KeywordField` [1]. Hopefully > > that answers some of your questions. > > > > A path would be a sequence of hierarchical labels that a document > > belongs to. > > For example, a book could be published on a certain day, of a certain > > month, of a certain year, making for a path like `Publish > > Date/2023/11/16`. When faceting, you could get counts with respect to > > each of the labels in the path (e.g. counts per year or counts per > > month of given year). > > > > > > Stefan > > > > > > [1] https://github.com/apache/lucene/pull/12817 > > > > On Wed, 15 Nov 2023 at 01:01, Tony Schwartz <t...@xfire.io.invalid> > wrote: > > > > > I have a lot of questions. For example, the javadocs for the > > > "KeywordField" class says: "... doc values for sorting and faceting" > > > > > > Yet, I don't see a way with 9.8.x Lucene to perform faceting on > > > fields that haven't been specifically indexed for faceting. I > > > clearly need a lesson or two on faceting in Lucene. I don't > > > understand what a "path" is for example. Of course I have tried to > > > work with the examples, but > > unless > > > I completely rework my indexes, I'm stuck. I thought you could use > > > DocValues somehow to facilitate faceting queries. Anyway, I suppose > > > I'll need to use the source code as my guide and spend a lot of time > > > working with it. I was hoping to find some really good > > > documentation to help me cut to the chase. I appreciate you > > > offering to help answer any > > questions, > > > seems like I could use an interactive session 😊 > > > > > > Thanks! > > > > > > Tony > > > > > > > > > -----Original Message----- > > > From: Stefan Vodita <stefan.vod...@gmail.com> > > > Sent: Tuesday, November 14, 2023 19:14 > > > To: t...@xfire.io.invalid > > > Cc: java-user@lucene.apache.org > > > Subject: Re: Faceting Queries NON-Taxonomy-based > > > > > > Hi Tony, > > > > > > Have you looked at the faceting demo package [1]? > > > > > > The faceting documentation that lives there [2] was updated last > > > year (thanks > > > @epotyom!) and there haven't been major API changes since. > > > > > > The `SimpleSortedSetFacetsExample` [3] might be a good starting > > > point for what you're trying to do. > > > > > > If you've already checked these resources, is there a specific > > > question they didn't help answer? > > > > > > > > > Stefan > > > > > > > > > [1] > > > > > > > > https://github.com/apache/lucene/tree/main/lucene/demo/src/java/org/ap > > ache/lucene/demo/facet > > > [2] > > > > > > > > https://github.com/apache/lucene/blob/main/lucene/demo/src/java/org/ap > > ache/lucene/demo/facet/package-info.java > > > [3] > > > > > > > > https://github.com/apache/lucene/blob/main/lucene/demo/src/java/org/ap > > ache/lucene/demo/facet/SimpleSortedSetFacetsExample.java > > > > > > On Tue, 14 Nov 2023 at 18:51, Tony Schwartz <t...@xfire.io.invalid> > > wrote: > > > > > > > Hello, > > > > > > > > > > > > > > > > Is there a definitive (or at least very good) documentation or > > > > video on Lucene faceting? I find the existing docs and samples > > > > out-dated and inaccurate. As such, I'm having trouble getting my > > > > mind around how it works to ensure I index my documents in such a > > > > way as to allow faceting. I'm trying to avoid the "taxonomy-based" > approach. > > > > > > > > > > > > > > > > Tony > > > > > > > > > > > > > > > > > -------------------------------------------------------------------- > > > - To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >
