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Posted to issues@hive.apache.org by "Ashutosh Chauhan (JIRA)" <ji...@apache.org> on 2015/06/01 20:45:20 UTC

[jira] [Updated] (HIVE-10864) CBO (Calcite Return Path): auto_join2.q returning wrong results

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

Ashutosh Chauhan updated HIVE-10864:
------------------------------------
    Affects Version/s: 1.2.0

> 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
>    Affects Versions: 1.2.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>             Fix For: 1.3.0
>
>         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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