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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15944) The order of cols is error in ColumnPrunerReduceSinkProc because of sort operator
Date Wed, 29 Mar 2017 22:56:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948043#comment-15948043
] 

Ashutosh Chauhan commented on HIVE-15944:
-----------------------------------------

[~wankunde]
* What does the end result of this bug? Does it fail with exception or does it result in wrong
results. If exception, whats the stack trace. If wrong results, how are results wrong?
* Is it specific to MR? Does it repro with Tez as well?

> The order of cols is error in ColumnPrunerReduceSinkProc because of sort operator
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-15944
>                 URL: https://issues.apache.org/jira/browse/HIVE-15944
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 1.1.0, 2.2.0
>            Reporter: wan kun
>            Assignee: wan kun
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15944.1.patch, HIVE-15944.2-branch-1.1.1.path.erroroutput,
HIVE-15944.3.patch, HIVE-15944.4-branch-1.1.1.patch, HIVE-15944.4.patch, HIVE-15944.5.patch,
HIVE-15944.6.patch, HIVE-15944.7.patch, HIVE-15944.8.patch, HIVE-15944-branch-1.1.patch, HIVE-15944.patch,
STAGE_DEPENDENCIES
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> If one sql have two job.
> job 1:The order of cols is updated in ColumnPrunerReduceSinkProc because of sort operator.
> job 2 will read error in map operation because the cols order is old.



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