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From "Lance Norskog (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-335) External Tables should have the option to be marked Read Only
Date Wed, 24 Jul 2013 17:55:49 GMT

    [ https://issues.apache.org/jira/browse/HIVE-335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13718636#comment-13718636
] 

Lance Norskog commented on HIVE-335:
------------------------------------

The user security trick will be good enough for us, but, yes, the ability to avoid destroying
data would be very helpful.
                
> External Tables should have the option to be marked Read Only
> -------------------------------------------------------------
>
>                 Key: HIVE-335
>                 URL: https://issues.apache.org/jira/browse/HIVE-335
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore, Query Processor
>            Reporter: Richard Lee
>
> When creating an External Table, it'd be awesome to have the option of NOT allowing writes
to it (disallow any INSERTs or if hive ever allows UPDATEs).  Adding and Dropping Partitions
should still be allowed.
> This will enable hive to "play well" with external data stores other than hdfs where
data should be non-maleable.
> I'd recomend the following syntax, which applies ONLY to external tables:
> CREATE EXTERNAL [READONLY] TABLE ...

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