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https://issues.apache.org/jira/browse/SPARK-13314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13314:
------------------------------------
Assignee: Cheng Lian (was: Apache Spark)
> 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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