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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-20124) Join reorder should keep the same order of final project attributes
Date Tue, 28 Mar 2017 07:55:41 GMT

    [ https://issues.apache.org/jira/browse/SPARK-20124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15944717#comment-15944717
] 

Apache Spark commented on SPARK-20124:
--------------------------------------

User 'wzhfy' has created a pull request for this issue:
https://github.com/apache/spark/pull/17453

> Join reorder should keep the same order of final project attributes
> -------------------------------------------------------------------
>
>                 Key: SPARK-20124
>                 URL: https://issues.apache.org/jira/browse/SPARK-20124
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Zhenhua Wang
>
> Join reorder algorithm should keep exactly the same order of output attributes in the
top project. 
> For example, if user want to select a, b, c, after reordering, we should output a, b,
c in the same order as specified by user, instead of b, a, c or other orders.



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