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https://issues.apache.org/jira/browse/HIVE-1091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804393#action_12804393
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Namit Jain commented on HIVE-1091:
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It might be difficult to do so in the current form, since partial results may
already be emitted.
You will never know the number of rows remaining, so may never be able to
decide whether to switch or not in
the absence of statistics.
> Enable skew join for the last table
> -----------------------------------
>
> Key: HIVE-1091
> URL: https://issues.apache.org/jira/browse/HIVE-1091
> Project: Hadoop Hive
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
>
> In my test, even by enabling stream table, it will still take a very long
> time (actually never get a chance to finish).
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