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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12272) CBO: Calcite Operator To Hive Operator (Calcite Return Path) : columnPruner prunes everything when union is the last operator before FS
Date Wed, 28 Oct 2015 18:58:27 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-12272:
-----------------------------------
    Attachment: HIVE-12272.02.patch

FS operator should be treated specially.

> CBO: Calcite Operator To Hive Operator (Calcite Return Path) : columnPruner prunes everything
when union is the last operator before FS
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-12272
>                 URL: https://issues.apache.org/jira/browse/HIVE-12272
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-12272.01.patch, HIVE-12272.02.patch
>
>
> To repo, run testCliDriver_unionDistinct_2 with return path on.



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