[jira] [Created] (SOLR-12516) JSON "range" facets don't refine sub-facets under special buckets (before,after,between)

["Hoss Man (JIRA)" <ji...@apache.org>]

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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