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https://issues.apache.org/jira/browse/SOLR-6024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14121632#comment-14121632
 ] 

Hoss Man commented on SOLR-6024:
--------------------------------

bq. This patch includes the last changes in trunk plus the changes needed for 
branch 4x.
It also include DocValuesStats (should probably be merged from trunk instead)

thanks tomas, looks good to me - currently running precommit (and another round 
of tests just to be safe) on 4x and then i'll commit.

FWIW, here's my backporting steps...

{noformat}
# NOTE: working dir is 4x checkout, ../dev is trunk checkout...

svn merge -c 1622386 ../dev/

# manually massaged schema11.xml, StatsComponent.java per Tomas's 4x patch
# confirm all tests *except* the new StatsComponentTest pass

# manually copy DocValuesStats.java from Tomas's 4x patch
# confirm StatsComponentTest passes now

svn add solr/core/src/java/org/apache/solr/request/DocValuesStats.java

svn merge --record-only -c 1594441 ../dev 
solr/core/src/java/org/apache/solr/request/DocValuesStats.java
svn merge --record-only -c 1594445 ../dev 
solr/core/src/java/org/apache/solr/request/DocValuesStats.java
svn merge --record-only -c 1595259 ../dev 
solr/core/src/java/org/apache/solr/request/DocValuesStats.java
svn merge --record-only -c 1600688 ../dev 
solr/core/src/java/org/apache/solr/request/DocValuesStats.java
svn merge --record-only -c 1602997 ../dev 
solr/core/src/java/org/apache/solr/request/DocValuesStats.java
{noformat}



> StatsComponent does not work for docValues enabled multiValued fields
> ---------------------------------------------------------------------
>
>                 Key: SOLR-6024
>                 URL: https://issues.apache.org/jira/browse/SOLR-6024
>             Project: Solr
>          Issue Type: Bug
>          Components: SearchComponents - other
>    Affects Versions: 4.8
>         Environment: java version "1.7.0_45"
> Mac OS X Version 10.7.5
>            Reporter: Ahmet Arslan
>              Labels: StatsComponent, docValues, multiValued
>             Fix For: 4.9
>
>         Attachments: SOLR-6024-branch_4x.patch, SOLR-6024-trunk.patch, 
> SOLR-6024-trunk.patch, SOLR-6024-trunk.patch, SOLR-6024-trunk.patch, 
> SOLR-6024-trunk.patch, SOLR-6024.patch, SOLR-6024.patch
>
>
> Harish Agarwal reported this in solr user mailing list : 
> http://search-lucene.com/m/QTPaoTJXV1
> It is east to re-produce with default example solr setup. Following types are 
> added example schema.xml. And exampledocs are indexed.
> {code:xml}
>  <field name="cat" type="string" indexed="true" stored="true" 
> docValues="true" multiValued="true"/>
>   <field name="popularity" type="int" indexed="true" stored="false" 
> docValues="true" multiValued="true"/>
> {code}
> When {{docValues="true"}} *and* {{multiValued="true"}} are used at the same 
> time, StatsComponent throws :
> {noformat}
> ERROR org.apache.solr.core.SolrCore  – org.apache.solr.common.SolrException: 
> Type mismatch: popularity was indexed as SORTED_SET
>       at 
> org.apache.solr.request.UnInvertedField.<init>(UnInvertedField.java:193)
>       at 
> org.apache.solr.request.UnInvertedField.getUnInvertedField(UnInvertedField.java:699)
>       at 
> org.apache.solr.handler.component.SimpleStats.getStatsFields(StatsComponent.java:319)
>       at 
> org.apache.solr.handler.component.SimpleStats.getStatsCounts(StatsComponent.java:290)
>       at 
> org.apache.solr.handler.component.StatsComponent.process(StatsComponent.java:78)
>       at 
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:221)
>       at 
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
>       at org.apache.solr.core.SolrCore.execute(SolrCore.java:1964)
> {noformat}



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