mikemccand commented on PR #13568:
URL: https://github.com/apache/lucene/pull/13568#issuecomment-2250274471

   > I think the big one for me to resolve is this whole concept of trying to 
make non-taxonomy faceting "look like" taxonomy faceting by making it fit this 
"ordinal iteration" paradigm.
   
   One possible example of where this unification could be helpful is in 
treating range faceting as a hierarchy, like Taxonomy based facets already 
support (parent/children/sibling, etc.).
   
   Range faceting to the end user should sometimes be a hierarchy.  E.g. I 
narrow by price $50 - $100 (after seeing multiple $50 ranges), and after that I 
can narrow by $20 ranges, and then after that maybe $5 ranges.  Lucene's 
faceting today doesn't really model this hierarchy well, I think?  The user 
must hold this implicit hierarchy and change their ranges as the user drills 
down, or dynamically / iteratively build the ranges based on the prices seen in 
the full match set.
   
   I'm not sure whether the new paradigm actually helps in this use case :)  I 
just wanted to point out that range faceting is really also a hierarchy and we 
don't seem to model that well in our facet impl today...


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