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Posted to issues@lucene.apache.org by "Greg Miller (Jira)" <ji...@apache.org> on 2021/08/26 00:41:00 UTC
[jira] [Created] (LUCENE-10070) "count all" faceting functionality
counts deleted docs for multiple implementations
Greg Miller created LUCENE-10070:
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Summary: "count all" faceting functionality counts deleted docs for multiple implementations
Key: LUCENE-10070
URL: https://issues.apache.org/jira/browse/LUCENE-10070
Project: Lucene - Core
Issue Type: Bug
Components: modules/facet
Reporter: Greg Miller
A few different {{Facets}} implementations supporting a "count all" style constructor that allows the user to not pass in a {{FacetsCollector}} instance. It advertises that it's equivalent to using a {{FacetsCollector}} populated with a {{MatchAllDocsQuery}}, but more efficient. It looks like, with the exception of {{FastTaxonomyFacetCounts}}, none of the implementations correctly account for deleted documents (have a look at {{FastTaxonomyFacetCounts}} for a correct example that consults "live docs."
From what I can tell, the affected implementations are:
* SortedSetDocValueFacetCounts
* ConcurrentSortedSetDocValueFacetCounts
* LongValueFacetCounts
* StringValueFacetCounts
I'll attach a PR shortly illustrating unit tests I wrote that confirm the bug.
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