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https://issues.apache.org/jira/browse/SOLR-12516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16535086#comment-16535086
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ASF subversion and git services commented on SOLR-12516:
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Commit 7d8ef9e39d3321a5366fcfe1a358ec015fb7b8b1 in lucene-solr's branch
refs/heads/master from Chris Hostetter
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=7d8ef9e ]
SOLR-12516: Fix some bugs in 'type:range' Facet refinement when sub-facets are
combined with non default values for the 'other' and 'include' options.
1) the optional other buckets (before/after/between) are not considered during
refinement
2) when using the include option: if edge is specified, then the refinement of
all range buckets mistakenly includes the lower bound of the range, regardless
of whether lower was specified.
> JSON "range" facets can incorrectly refine subfacets for buckets
> ----------------------------------------------------------------
>
> 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
> Assignee: Hoss Man
> Priority: Major
> Attachments: SOLR-12516.patch, SOLR-12516.patch, SOLR-12516.patch,
> SOLR-12516.patch, SOLR-12516.patch, SOLR-12516.patch, SOLR-12516.patch
>
>
> while simple {{type:range}} facets don't benefit from refinement, because
> every shard returns the same set of buckets, some bugs currently exist when a
> range facet contains sub facets that use refinement:
> # the optional {{other}} buckets (before/after/between) are not considered
> during refinement
> # when using the {{include}} option: if {{edge}} is specified, then the
> refinement of all range buckets mistakenly includes the lower bound of the
> range, regardless of whether {{lower}} was specified.
> ----
> #1 occurs because {{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.
> #2 exists because of a mistaken in the implementation of {{refineBucket}} and
> how it computes the {{start}} value.
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