You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Yi Zhang (Jira)" <ji...@apache.org> on 2023/03/03 21:08:00 UTC

[jira] [Commented] (HIVE-27115) HiveInputFormat column project push down wrong fields (MR)

    [ https://issues.apache.org/jira/browse/HIVE-27115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17696327#comment-17696327 ] 

Yi Zhang commented on HIVE-27115:
---------------------------------

[~rajesh.balamohan] can you review the pr? thank you!

> HiveInputFormat column project push down wrong fields (MR)
> ----------------------------------------------------------
>
>                 Key: HIVE-27115
>                 URL: https://issues.apache.org/jira/browse/HIVE-27115
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 3.1.3, 4.0.0-alpha-2
>            Reporter: Yi Zhang
>            Assignee: Yi Zhang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> For query such as 
> select * from (
> select r_name from r
> union all
> select t_name from t
> ) unioned
>  
> in MR execution, when column project push down for splits, t_name gets pushed down to table r. 
>  



--
This message was sent by Atlassian Jira
(v8.20.10#820010)