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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12064) prevent transactional=false
Date Tue, 02 Feb 2016 01:41:40 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15127421#comment-15127421
] 

Eugene Koifman commented on HIVE-12064:
---------------------------------------

see AcidUtil.isAcidTable() - only allow setting transactional=true when table is bucketed
and using proper I/O format

> prevent transactional=false
> ---------------------------
>
>                 Key: HIVE-12064
>                 URL: https://issues.apache.org/jira/browse/HIVE-12064
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 1.0.0
>            Reporter: Eugene Koifman
>            Assignee: Wei Zheng
>            Priority: Critical
>         Attachments: HIVE-12064.2.patch, HIVE-12064.patch
>
>
> currently a tblproperty transactional=true must be set to make a table behave in ACID
compliant way.
> This is misleading in that it seems like changing it to transactional=false makes the
table non-acid but on disk layout of acid table is different than plain tables.  So changing
this  property may cause wrong data to be returned.
> Should prevent transactional=false.



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