Hoss Man created SOLR-12516:
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Summary: JSON "range" facets don't refine sub-facets under special
buckets (before,after,between)
Key: SOLR-12516
URL: https://issues.apache.org/jira/browse/SOLR-12516
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: Facet Module
Reporter: Hoss Man
{{FacetRangeMerger extends FacetRequestSortedMerger<FacetRange>}} ... however
{{FacetRangeMerger}} does not override {{getRefinement(...)}} which means only
{{FacetRequestSortedMerger.buckets}} is evaluated and considered for
refinement. The additional, special purpose, {{FacetBucket}} instances tracked
in {{FacetRangeMerger}} are never considered for refinement.
In a simple range facet this doesn't cause any problems because these buckets
are returned by every shard on the phase#1 request -- but *if a sub-facet (such
as a field facet) is nested under a range facet then the buckets returned by
the sub-facets for the before/between/after buckets will never be refined* ...
the phase#1 sub-facet buckets will be merged as.
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