[jira] [Assigned] (LUCENE-5016) Sampling can break FacetResult labeling

["Shai Erera (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-5016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shai Erera reassigned LUCENE-5016:
----------------------------------

    Assignee: Shai Erera
    
> Sampling can break FacetResult labeling 
> ----------------------------------------
>
>                 Key: LUCENE-5016
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5016
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/facet
>    Affects Versions: 4.3
>            Reporter: Rob Audenaerde
>            Assignee: Shai Erera
>            Priority: Minor
>         Attachments: test-labels.zip
>
>
> When sampling FacetResults, the TopKInEachNodeHandler is used to get the FacetResults.
> This is my case:
> A FacetResult is returned (which matches a FacetRequest) from the StandardFacetAccumulator. The facet has 0 results. The labelling of the root-node seems incorrect. I know, from the StandardFacetAccumulator, that the rootnode has a label, so I can use that one.
> Currently the recursivelyLabel method uses the taxonomyReader.getPath() to retrieve the label. I think we can skip that for the rootNode when there are no children (and gain a little performance on the way too?)

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