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https://issues.apache.org/jira/browse/HIVE-18875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492991#comment-16492991
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Gunther Hagleitner commented on HIVE-18875:
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The comment
{noformat}
\\ Make sure order is maintained
{noformat}
is also incorrect, I believe. You're no longer checking for order of columns in
patch .9, but that both keys have the same number of elements. If one element
is missing you return the prefix - for both sort and bucket. Can you explain
why this is how the "select rule" should work?
Also, the OpTraits generated in the process method retains the old "numBuckets"
even if you adjust the bucket columns. That's not correct is 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-18875.10.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, HIVE-18875.9.patch
>
>
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