Michael McCandless created LUCENE-4980:
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Summary: Can't use DrillSideways with both RangeFacetRequest and
non-RangeFacetRequest
Key: LUCENE-4980
URL: https://issues.apache.org/jira/browse/LUCENE-4980
Project: Lucene - Core
Issue Type: Bug
Components: modules/facet
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 5.0, 4.4
Attachments: LUCENE-4980.patch
I tried to combine these two and there were several issues:
* It's ... really tricky to manage the two different
FacetAccumulators across that N FacetCollectors that DrillSideways
creates ... to fix this I added a new MultiFacetsAccumulator that
switches for you.
* There was still one place in DS/DDQ that wasn't properly handling
a non-Term drill-down.
* There was a bug in the "collector method" for DrillSideways
whereby if a given segment had no hits, it was skipped, which is
incorrect because it must still be visited to tally up the
sideways counts.
* Separately I noticed that DrillSideways was doing too much work:
it would count up drill-down counts *and* drill-sideways counts
against the same dim (but then discard the drill-down counts in
the end).
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