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https://issues.apache.org/jira/browse/SPARK-34637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17295839#comment-17295839
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Apache Spark commented on SPARK-34637:
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User 'JkSelf' has created a pull request for this issue:
https://github.com/apache/spark/pull/31756
> Support DPP in AQE when the boradcast exchange can be reused
> ------------------------------------------------------------
>
> Key: SPARK-34637
> URL: https://issues.apache.org/jira/browse/SPARK-34637
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.1
> Reporter: Ke Jia
> Priority: Major
>
> We have supported DPP in AQE when the join is Broadcast hash join before
> applying the AQE rules in SPARK-34168, which has some limitations. It only
> apply DPP when the small table side executed firstly and then the big table
> side can reuse the broadcast exchange in small table side. This Jira is to
> address the above limitations and can apply the DPP when the broadcast
> exchange can be reused.
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