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https://issues.apache.org/jira/browse/HIVE-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225724#comment-13225724
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Namit Jain commented on HIVE-2837:
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I have added a new parameter: hive.insert.into.external.tables which is true by
default.
If you set it to false explicitly, the inserts will fail.
> insert into external tables should not be allowed
> -------------------------------------------------
>
> Key: HIVE-2837
> URL: https://issues.apache.org/jira/browse/HIVE-2837
> Project: Hive
> Issue Type: Bug
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: HIVE-2837.D2211.1.patch
>
>
> This is a very risky thing to allow.
> Since, the external tables can point to any user location, which can
> potentially corrupt some other tables.
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