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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9215) Some mapjoin queries broken with IdentityProjectRemover with PPD
Date Tue, 30 Dec 2014 02:37:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuefu Zhang updated HIVE-9215:
------------------------------
    Affects Version/s: spark-branch

> Some mapjoin queries broken with IdentityProjectRemover with PPD
> ----------------------------------------------------------------
>
>                 Key: HIVE-9215
>                 URL: https://issues.apache.org/jira/browse/HIVE-9215
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: spark-branch, 0.15.0
>            Reporter: Szehon Ho
>            Assignee: Navis
>             Fix For: 0.15.0
>
>         Attachments: HIVE-9215.1.patch.txt, HIVE-9215.2.patch.txt, auto_join_ppd.q
>
>
> IdentityProjectRemover (hive.optimize.remove.identity.project) with PPD will sometimes
make mapjoin query that returns the wrong result in MR case as well.



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