[jira] [Assigned] (HIVE-2261) Add cleanup stages for UDFs

["John Sichi (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-2261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Sichi reassigned HIVE-2261:
--------------------------------

    Assignee: Navis
    
> Add cleanup stages for UDFs
> ---------------------------
>
>                 Key: HIVE-2261
>                 URL: https://issues.apache.org/jira/browse/HIVE-2261
>             Project: Hive
>          Issue Type: Wish
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>
> In some cases, we bind values at last stage of big SQL from other sources, especially from memcached. I made that kind of UDFs for internal-use.
> I found 'initialize' method of GenericUDF class is good place for making connections to memcached cluster, but failed to find  somewhere to close/cleanup the connections. If there is cleaup method in GenericUDF class, things can be more neat. If initializing entity like map/reduce/fetch could be also providable to life-cycles(init/close), that makes perfect.

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