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From "Navis (JIRA)" <>
Subject [jira] [Commented] (HIVE-4371) some issue with merging join trees
Date Fri, 19 Apr 2013 01:41:16 GMT


Navis commented on HIVE-4371:

[~namit] Ran all tests and passed. I cannot see anything wrong in aliases of QBJoinTree. 

TS3(a)-RS3/         JOIN2

JOIN2 (L=null, R=d, Ls=[a,b,c], Base=d) 

In this, posBig should be 0(d) or 1(null), not 2(c) in other join context.
> some issue with merging join trees
> ----------------------------------
>                 Key: HIVE-4371
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Namit Jain
>            Assignee: Navis
>         Attachments: HIVE-4371.D10323.1.patch
> [~navis], I would really appreciate if you can take a look.
> I am attaching a testcase, for which in the optimizer the join context left
> aliases and right aliases do not look correct.

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