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https://issues.apache.org/jira/browse/HIVE-18875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16491170#comment-16491170
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Gunther Hagleitner commented on HIVE-18875:
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This looks cleaner, but I don't think the fix in op traits is correct. For one
thing you're changing the bucketing cols also, and bucketing doesn't depend on
the order (like sort). But the main problem is that I think a reorder via
select doesn't actually change the sort cols either. Can you please describe
the query/operator sequence that is causing problems one more time? (The
comment in the code about gby and join is using internal columns and doesn't
have the sql associated with it.)
> Enable SMB Join by default in Tez
> ---------------------------------
>
> Key: HIVE-18875
> URL: https://issues.apache.org/jira/browse/HIVE-18875
> Project: Hive
> Issue Type: Task
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Priority: Major
> Attachments: HIVE-18875.1.patch, HIVE-18875.2.patch,
> HIVE-18875.3.patch, HIVE-18875.4.patch, HIVE-18875.5.patch,
> HIVE-18875.6.patch, HIVE-18875.7.patch, HIVE-18875.8.patch
>
>
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