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Posted to dev@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2017/08/28 20:09:00 UTC

[jira] [Created] (HIVE-17399) Do not remove semijoin branch if it feeds to TS->DPP_EVENT

Deepak Jaiswal created HIVE-17399:
-------------------------------------

             Summary: Do not remove semijoin branch if it feeds to TS->DPP_EVENT
                 Key: HIVE-17399
                 URL: https://issues.apache.org/jira/browse/HIVE-17399
             Project: Hive
          Issue Type: Bug
            Reporter: Deepak Jaiswal
            Assignee: Deepak Jaiswal


If there is an incoming semijoin branch to a TS which has DPP event, then try to keep it as it may serve as an excellent filter for DPP thus reducing the input to join drastically.



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