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From "Ashutosh Chauhan (JIRA)" <>
Subject [jira] [Commented] (HIVE-4179) NonBlockingOpDeDup does not merge SEL operators correctly
Date Wed, 03 Apr 2013 02:13:15 GMT


Ashutosh Chauhan commented on HIVE-4179:

No worries [~navis] I dont feel strongly one way or the other. [~hagleitn] would you like
to update the results in this patch or in HIVE-4259 ?
> NonBlockingOpDeDup does not merge SEL operators correctly
> ---------------------------------------------------------
>                 Key: HIVE-4179
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>            Priority: Critical
>             Fix For: 0.11.0
>         Attachments: HIVE-4179.1.patch, HIVE-4179.2.patch, HIVE-4179.3.patch, HIVE-4179.4.patch
> The input columns list for SEL operations isn't merged properly in the optimization.
The best way to see this is running union_remove_22.q with The plan shows
lost UDFs and a broken lineage for one column.
> Note: union_remove tests do not run on hadoop 1 or 0.20.

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