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From "Kevin Wilfong (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-2871) Add a new hook to run at the beginning and end of the Driver.run method
Date Thu, 15 Mar 2012 17:53:40 GMT
Add a new hook to run at the beginning and end of the Driver.run method
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                 Key: HIVE-2871
                 URL: https://issues.apache.org/jira/browse/HIVE-2871
             Project: Hive
          Issue Type: Improvement
            Reporter: Kevin Wilfong
            Assignee: Kevin Wilfong


Driver.run is the highest level method which all queries go through, whether they come from
Hive Server, the CLI, or any other entry.  We also do not have any hooks before the compilation
method is called, and having hooks in Driver.run would provide this.  Having hooks in Driver.run
will allow, for example, being able to overwrite config values used throughout query processing,
including compilation, and at the other end, cleaning up any resources/logging any final values
just before returning to the user.

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