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https://issues.apache.org/jira/browse/HIVE-335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742442#action_12742442
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Johan Oskarsson commented on HIVE-335:
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I agree that this would be very useful. I could try to spend some time on
implementing this in the near future unless there are preferred solutions to
the "don't overwrite our precious data" problem. HDFS permissions are a help
but not everyone uses them and there is still the risk when running as the
superuser.
> External Tables should have the option to be marked Read Only
> -------------------------------------------------------------
>
> Key: HIVE-335
> URL: https://issues.apache.org/jira/browse/HIVE-335
> Project: Hadoop 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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