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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-2261) Add cleanup stages for UDFs
Date Wed, 06 Jul 2011 07:46:17 GMT
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
            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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