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https://issues.apache.org/jira/browse/HIVE-18218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16359273#comment-16359273
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Deepak Jaiswal commented on HIVE-18218:
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Fixed the couple of test failures related to this patch.
> SMB Join : Handle buckets with no splits.
> -----------------------------------------
>
> Key: HIVE-18218
> URL: https://issues.apache.org/jira/browse/HIVE-18218
> Project: Hive
> Issue Type: Bug
> Reporter: Deepak Jaiswal
> Assignee: Deepak Jaiswal
> Priority: Major
> Attachments: HIVE-18218.1.patch, HIVE-18218.2.patch,
> HIVE-18218.3.patch, HIVE-18218.4.patch, HIVE-18218.5.patch
>
>
> While working on HIVE-18208, it was found that with SMB, the results are
> incorrect. This most likely is a product issue.
> auto_sortmerge_join_16 fails with wrong results due to this.
> cc [~hagleitn]
> The current logic in CustomPartitionVertex assumes that there is a split for
> each bucket whereas in Tez, we can have no splits for empty buckets.
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