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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13175) Disallow making external tables transactional
Date Fri, 11 Mar 2016 09:50:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190731#comment-15190731
] 

Lefty Leverenz commented on HIVE-13175:
---------------------------------------

Doc note:  This should be mentioned in the Limitations section of the Transactions doc, with
version information.

* [Hive Transactions -- Limitations | https://cwiki.apache.org/confluence/display/Hive/Hive+Transactions#HiveTransactions-Limitations]

> Disallow making external tables transactional
> ---------------------------------------------
>
>                 Key: HIVE-13175
>                 URL: https://issues.apache.org/jira/browse/HIVE-13175
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 2.0.0
>            Reporter: Wei Zheng
>            Assignee: Wei Zheng
>              Labels: TODOC1.3, TODOC2.1
>             Fix For: 1.3.0, 2.1.0
>
>         Attachments: HIVE-13175.1.patch, HIVE-13175.2.patch, HIVE-13175.3.patch, HIVE-13175.4.patch
>
>
> The fact that compactor rewrites contents of ACID tables is in conflict with what is
expected of external tables.
> Conversely, end user can write to External table which certainly not what is expected
of ACID table.
> So we should explicitly disallow making an external table ACID.



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