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https://issues.apache.org/jira/browse/HIVE-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225588#comment-13225588
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Kevin Wilfong commented on HIVE-2853:
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@Ashutosh
This feature is just a new type of hook, unless you provide an implementation
(and I am not providing any implementations in this patch) it should have no
effect, and in particular, users will not see any change.
> Add pre event listeners to metastore
> ------------------------------------
>
> Key: HIVE-2853
> URL: https://issues.apache.org/jira/browse/HIVE-2853
> Project: Hive
> Issue Type: Improvement
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-2853.D2175.1.patch
>
>
> Currently there are event listeners in the metastore which run after the
> completion of a method. It would be useful to have similar hooks which run
> before the metastore method is executed. These can be used to make
> validating names, locations, etc. customizable.
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