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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/07/07 09:25:00 UTC
[jira] [Commented] (SPARK-36032) RemoveRedundantSorts should be
applied after reOptimize in AQE
[ https://issues.apache.org/jira/browse/SPARK-36032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17376430#comment-17376430 ]
Apache Spark commented on SPARK-36032:
--------------------------------------
User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/33244
> RemoveRedundantSorts should be applied after reOptimize in AQE
> --------------------------------------------------------------
>
> Key: SPARK-36032
> URL: https://issues.apache.org/jira/browse/SPARK-36032
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0, 3.3.0
> Reporter: XiDuo You
> Priority: Major
>
> Since we support AQE side broadcast join config. It's more common that a join is SMJ at normal planner and changed to BHJ after AQE reOptimize.
> However, `RemoveRedundantSorts` is applied before reOptimize, then a local sort might be removed incorrectly if a join is SMJ at first but changed to BHJ during reOptimize.
>
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