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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10864) CBO (Calcite Return Path): auto_join2.q returning wrong results
Date Fri, 29 May 2015 06:26:17 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-10864:
-------------------------------------------
    Attachment: HIVE-10864.patch

[~ashutoshc], could you review it? Thanks

> CBO (Calcite Return Path): auto_join2.q returning wrong results
> ---------------------------------------------------------------
>
>                 Key: HIVE-10864
>                 URL: https://issues.apache.org/jira/browse/HIVE-10864
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-10864.patch
>
>
> auto_join2.q returns wrong results when return path is on. The problem is that we create
the same join expression once per input reference when we are translating. Thus, we incorrectly
end up with a key composed by multiple expressions in those cases.



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