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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4215) Optimize facets when multi-valued field is really single valued
Date Wed, 19 Dec 2012 11:43:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13535892#comment-13535892
] 

Robert Muir commented on SOLR-4215:
-----------------------------------

also values of -1 should be checked regardless.
                
> Optimize facets when multi-valued field is really single valued
> ---------------------------------------------------------------
>
>                 Key: SOLR-4215
>                 URL: https://issues.apache.org/jira/browse/SOLR-4215
>             Project: Solr
>          Issue Type: Improvement
>          Components: SearchComponents - other
>            Reporter: Ryan McKinley
>            Priority: Minor
>             Fix For: 4.1
>
>         Attachments: SOLR-4215-check-single-valued.patch
>
>
> In lucene 4+, the Terms interface can quickly tell us if the index is actually single-valued.
 We should use that for better facet performance with multi-valued fields (when they are actually
single valued)

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