Asif created SPARK-45924:
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Summary: 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
while writing bug test for [SPARK-45866|http://example.com], 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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