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https://issues.apache.org/jira/browse/HIVE-2573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150244#comment-13150244
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Navis commented on HIVE-2573:
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I agree and can say that first modification was exactly same as you mentioned.
But I was not certain that someone might be relying on the current globalness
of temporary function (furthermore, keyword 'TEMPORARY' was mandatory). I'll
revise this patch shortly.
> Create per-session function registry
> -------------------------------------
>
> Key: HIVE-2573
> URL: https://issues.apache.org/jira/browse/HIVE-2573
> Project: Hive
> Issue Type: Improvement
> Components: Server Infrastructure
> Reporter: Navis
> Priority: Minor
> Attachments: HIVE-2573.1.patch.txt, HIVE-2573.2.patch.txt
>
>
> Currently the function registry is shared resource and could be overrided by
> other users when using HiveServer. If per-session function registry is
> provided, this situation could be prevented.
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