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https://issues.apache.org/jira/browse/HIVE-4540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis updated HIVE-4540:
------------------------
Resolution: Fixed
Fix Version/s: 0.12.0
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks Gunther!
> JOIN-GRP BY-DISTINCT fails with NPE when mapjoin.mapreduce=true
> ---------------------------------------------------------------
>
> Key: HIVE-4540
> URL: https://issues.apache.org/jira/browse/HIVE-4540
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Fix For: 0.12.0
>
> Attachments: HIVE-4540.1.patch
>
>
> If the mapjoin.mapreduce optimization kicks in on a query of this form:
> {noformat}
> select count(distinct a.v)
> from a join b on (a.k = b.k)
> group by a.g
> {noformat}
> The planer will NPE in the metadataonly optimizer.
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