Thank for the suggestion! I like the descriptiveness of it. My only
hesitation is that is supports more than range intersection based on the
provided QueryType instance (e.g., within, contains). I _imagine_ that
intersection will be most common, but I don’t really know of course. I
thought about generalizing your suggestion to something like “Range
Relation Faceting,” but fear that would be confusing.

Thanks again!

Cheers,
-Greg

On Mon, Dec 12, 2022 at 10:19 Gus Heck <gus.h...@gmail.com> wrote:

> Maybe "Range Intersect Faceting"?
>
> On Mon, Dec 12, 2022 at 1:11 PM Greg Miller <gsmil...@gmail.com> wrote:
>
>> Folks-
>>
>> Naming is hard! (But you all know that already).
>>
>> Marc D'Mello and I have been working on a new faceting implementation
>> that's meant to complement Lucene's existing range-relation queries (e.g.,
>> LongRange#newIntersectsQuery, DoubleRange#newContainsQuery,
>> LongRangeDocValuesField#newSlowIntersectsQuery, etc.). Well, I should say
>> Marc is working on the change and I'm just providing nit-picky feedback on
>> his PR, which is here: https://github.com/apache/lucene/pull/11901. The
>> general idea of this feature is to allow users to get facet counts for
>> these sorts of range-relation filters before they're applied. For example,
>> if a user is indexing ranges with their documents, they may have a set of
>> query-ranges they want to facet on, based on some range relationship (e.g.,
>> intersection, contains, etc.).
>>
>> As a concrete example, imagine that documents contain a price range
>> (maybe a document represents some e-commerce product but the price varies
>> based on some configuration options), and a user wants to build a price
>> range filter that applies filtering based on whether-or-not the two ranges
>> intersect (i.e., DoubleRange#newIntersectsQuery to apply a price range
>> filter). This user wants faceting capabilities over the different
>> price ranges they want to make available, so they need a way to facet over
>> a list of provided query-ranges, based on the "intersect" relationship with
>> the doc-encoded ranges. That's what Marc's "RangeOnRange" faceting is
>> trying to accomplish.
>>
>> In my opinion, the PR is really close to being ready (thanks again
>> Marc!), but I'm wondering if we can come up with a more descriptive name.
>> As it currently stands, the feature is termed "RangeOnRange Faceting,"
>> which feels just a bit wonky to me. That said, I can't really come up with
>> anything better.
>>
>> ** Does anyone have suggestions on a better name? **
>>
>> Any / all suggestions appreciated! (And of course, any other input on the
>> PR is welcome if anyone is interested).
>>
>> Cheers,
>> -Greg
>>
>
>
> --
> http://www.needhamsoftware.com (work)
> http://www.the111shift.com (play)
>

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