[jira] [Updated] (LUCENE-4461) Multiple FacetRequest with the same path creates inconsistent results

["Gilad Barkai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-4461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilad Barkai updated LUCENE-4461:
---------------------------------

    Attachment: LUCENE-4461.patch

Proposed fix - In {{StandardFacetsAccumulator}}, guard against handling and merging the same request more than once.
Also a matching test is introduced, inspired by previous patch.

Thanks Rodrigo!
                
> Multiple FacetRequest with the same path creates inconsistent results
> ---------------------------------------------------------------------
>
>                 Key: LUCENE-4461
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4461
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/facet
>    Affects Versions: 3.6
>            Reporter: Rodrigo Vega
>              Labels: facet, faceted-search
>         Attachments: LUCENE-4461.patch, LuceneFacetTest.java
>
>
> Multiple FacetRequest are getting merged into one creating wrong results in this case:
> FacetSearchParams facetSearchParams = new FacetSearchParams();
> 		facetSearchParams.addFacetRequest(new CountFacetRequest(new CategoryPath("author"), 10));
> 		facetSearchParams.addFacetRequest(new CountFacetRequest(new CategoryPath("author"), 10));
> Problem can be fixed by defining hashcode and equals in certain way that Lucene recognize we are talking about different requests.
> Attached test case.

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