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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-13314) Malformed WholeStageCodegen tree string
Date Sun, 14 Feb 2016 12:41:18 GMT

    [ https://issues.apache.org/jira/browse/SPARK-13314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146527#comment-15146527
] 

Apache Spark commented on SPARK-13314:
--------------------------------------

User 'liancheng' has created a pull request for this issue:
https://github.com/apache/spark/pull/11200

> Malformed WholeStageCodegen tree string
> ---------------------------------------
>
>                 Key: SPARK-13314
>                 URL: https://issues.apache.org/jira/browse/SPARK-13314
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Cheng Lian
>            Assignee: Cheng Lian
>            Priority: Minor
>
> {{WholeStageCodegen}} overrides {{generateTreeString}} to show the inner plan tree, but
the output can be malformed when the plan contains binary operators:
> {code}
> val a = sqlContext range 5
> val b = sqlContext range 2
> a select ('id as 'a) unionAll (b select ('id as 'a)) explain true
> {code}
> {noformat}
> ...
> == Physical Plan ==
> Union
> :- WholeStageCodegen
> :  :  +- Project [id#3L AS a#6L]
> :  :     +- Range 0, 1, 8, 5, [id#3L]
> +- WholeStageCodegen
>    :  +- Project [id#4L AS a#7L]
>    :     +- Range 0, 1, 8, 2, [id#4L]
> {noformat}



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