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Posted to issues@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2017/08/28 20:09:00 UTC
[jira] [Assigned] (HIVE-17399) Do not remove semijoin branch if it
feeds to TS->DPP_EVENT
[ https://issues.apache.org/jira/browse/HIVE-17399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Deepak Jaiswal reassigned HIVE-17399:
-------------------------------------
> 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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