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https://issues.apache.org/jira/browse/HIVE-7242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14041101#comment-14041101
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Alan Gates commented on HIVE-7242:
----------------------------------

dynpart_sort_optimization passes on both trunk and with the patch when I run 
it.  root_dir_external_table and authorization_ctas are broken on trunk right 
now.  So I don't believe these test failures are related to this patch.

> alter table drop partition is acquiring the wrong type of lock
> --------------------------------------------------------------
>
>                 Key: HIVE-7242
>                 URL: https://issues.apache.org/jira/browse/HIVE-7242
>             Project: Hive
>          Issue Type: Bug
>          Components: Locking
>    Affects Versions: 0.13.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>             Fix For: 0.14.0
>
>         Attachments: HIVE-7242.patch
>
>
> Doing an "alter table foo drop partition ('bar=x')" acquired a shared-write 
> lock on partition bar=x.  It should be acquiring an exclusive lock in that 
> case.



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