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Posted to dev@lucene.apache.org by "David Christianson (JIRA)" <ji...@apache.org> on 2012/12/17 00:40:13 UTC
[jira] [Updated] (SOLR-1782) stats.facet assumes
FieldCache.StringIndex - fails horribly on multivalued fields
[ https://issues.apache.org/jira/browse/SOLR-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Christianson updated SOLR-1782:
-------------------------------------
Attachment: SOLR-1782.patch
This patch is for Solr 4.0
> stats.facet assumes FieldCache.StringIndex - fails horribly on multivalued fields
> ---------------------------------------------------------------------------------
>
> Key: SOLR-1782
> URL: https://issues.apache.org/jira/browse/SOLR-1782
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 1.4
> Environment: reproduced on Win2k3 using 1.5.0-dev solr ($Id: CHANGES.txt 906924 2010-02-05 12:43:11Z noble $)
> Reporter: Gerald DeConto
> Attachments: index.rar, SOLR-1782.2.patch, SOLR-1782.patch, SOLR-1782.patch, SOLR-1782.test.patch
>
>
> the StatsComponent assumes any field specified in the stats.facet param can be faceted using FieldCache.DEFAULT.getStringIndex. This can cause problems with a variety of field types, but in the case of multivalued fields it can either cause erroneous false stats when the number of distinct values is small, or it can cause ArrayIndexOutOfBoundsException when the number of distinct values is greater then the number of documents.
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