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https://issues.apache.org/jira/browse/SPARK-45924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Asif resolved SPARK-45924.
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Resolution: Not A Bug
> Canonicalization of SubqueryAdaptiveBroadcastExec is broken and is not
> equivalent with SubqueryBroadcastExec
> ------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-45924
> URL: https://issues.apache.org/jira/browse/SPARK-45924
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.5.1
> Reporter: Asif
> Priority: Major
> Labels: pull-request-available
>
> while writing bug test for
> [SPARK-45866|https://issues.apache.org/jira/projects/SPARK/issues/SPARK-45866],
> found that canonicalization of SubqueryAdaptiveBroadcastExec is broken in
> the sense that buildPlan : LogicalPlan is not canonicalized which causes
> batchscans to differ when reuse of exchange check happens in AQE.
> Moreover the equivalence of SubqueryAdaptiveBroadcastExec and
> SubqueryBroadcastExec is not there which also aggravates the re-use of
> exchange in aqe broken.
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