Deepak Jaiswal commented on HIVE-18218:

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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