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https://issues.apache.org/jira/browse/HIVE-15323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713051#comment-15713051
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Gunther Hagleitner commented on HIVE-15323:
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LGTM +1. Couple of comments though (since you're resurrecting code, probably
fine): a) There are some checks for whether optraits are null. Other places
don't, not sure that's just an oversight. b) If the group by's parent doesn't
have an optraits object we init the # reduce sinks to 0. That means it will
pass the new check, but likely shouldn't...
> allow the user to turn off reduce-side SMB join
> ------------------------------------------------
>
> Key: HIVE-15323
> URL: https://issues.apache.org/jira/browse/HIVE-15323
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-15323.patch
>
>
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