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https://issues.apache.org/jira/browse/HIVE-219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12662410#action_12662410
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David Phillips commented on HIVE-219:
-------------------------------------
This issue cannot be caught by the current unit tests as they use the local
runner. Should we have a test driver like TestCliDriver that uses
MiniMRCluster?
> Map-side aggregates output one row per reducer when not grouping
> ----------------------------------------------------------------
>
> Key: HIVE-219
> URL: https://issues.apache.org/jira/browse/HIVE-219
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: David Phillips
> Priority: Critical
>
> Example: SELECT count(1) FROM table;
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