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Posted to issues@spark.apache.org by "Xingbo Jiang (Jira)" <ji...@apache.org> on 2019/10/03 22:14:00 UTC
[jira] [Assigned] (SPARK-28583) Subqueries should not call
`onUpdatePlan` in Adaptive Query Execution
[ https://issues.apache.org/jira/browse/SPARK-28583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xingbo Jiang reassigned SPARK-28583:
------------------------------------
Assignee: Xingbo Jiang (was: Wei Xue)
> Subqueries should not call `onUpdatePlan` in Adaptive Query Execution
> ---------------------------------------------------------------------
>
> Key: SPARK-28583
> URL: https://issues.apache.org/jira/browse/SPARK-28583
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Wei Xue
> Assignee: Xingbo Jiang
> Priority: Major
> Fix For: 3.0.0
>
>
> Subqueries do not have their own execution id, thus when calling {{AdaptiveSparkPlanExec.onUpdatePlan}}, it will actually get the {{QueryExecution}} instance of the main query, which is wasteful and problematic. It could cause issues like stack overflow or dead locks in some circumstances.
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