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https://issues.apache.org/jira/browse/SOLR-2976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536703#comment-13536703
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Yonik Seeley commented on SOLR-2976:
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Does this faceting limitation simply date back to before trie fields with
precision step > 0 couldn't use the fieldCache? Was introduced over 3 years
ago (SOLR-1492). Maybe we just forgot to remove it...
> stats.facet no longer works on single valued trie fields that don't use
> precision step
> --------------------------------------------------------------------------------------
>
> Key: SOLR-2976
> URL: https://issues.apache.org/jira/browse/SOLR-2976
> Project: Solr
> Issue Type: Bug
> Affects Versions: 3.5
> Reporter: Hoss Man
> Assignee: Ryan McKinley
> Attachments: SOLR-2976_3.4_test.patch, SOLR-2976.patch
>
>
> As reported on the mailing list, 3.5 introduced a regression that prevents
> single valued Trie fields that don't use precision steps (to add course
> grained terms) from being used in stats.facet.
> two immediately obvious problems...
> 1) in 3.5 the stats component is checking if isTokenzed() is true for the
> field type (which is probably wise) but regardless of the precisionStep used,
> TrieField.isTokenized is hardcoded to return true
> 2) the 3.5 stats faceting will fail if the FieldType is multivalued - it
> doesn't check if the SchemaField is configured to be single valued
> (overriding the FieldType)
> so even if a user has something like this in their schema...
> {code}
> <fieldType name="long" class="solr.TrieLongField" precisionStep="0"
> omitNorms="true" />
> <field name="ts" type="long" indexed="true" stored="true" required="true"
> multiValued="false" />
> {code}
> ...stats.facet will not work.
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