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https://issues.apache.org/jira/browse/HIVE-19032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16418263#comment-16418263
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Gopal V commented on HIVE-19032:
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Change looks +1
The hive count distinct rewrite in CBO should be removing most of these cases,
so it shouldn't be a common scenario.
However the q.out for vectorized_distinct_gby might need a golden update.
> Vectorization: Disable GROUP BY aggregations with DISTINCT
> ----------------------------------------------------------
>
> Key: HIVE-19032
> URL: https://issues.apache.org/jira/browse/HIVE-19032
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 3.0.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-19032.01.patch
>
>
> Vectorized GROUP BY does not support DISTINCT aggregation functions.
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