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From "Navis (Updated) (JIRA)" <>
Subject [jira] [Updated] (HIVE-2261) Add cleanup stages for UDFs
Date Thu, 16 Feb 2012 07:05:00 GMT


Navis updated HIVE-2261:

        Fix Version/s: 0.9.0
    Affects Version/s: 0.9.0
               Status: Patch Available  (was: Open)
> Add cleanup stages for UDFs
> ---------------------------
>                 Key: HIVE-2261
>                 URL:
>             Project: Hive
>          Issue Type: Wish
>          Components: Query Processor
>    Affects Versions: 0.9.0
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>             Fix For: 0.9.0
>         Attachments: HIVE-2261.D1329.1.patch, HIVE-2261.D1329.2.patch
> 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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