Chao Sun created SPARK-56065:
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Summary: Support BHJ to shuffle join fallback in AQE
Key: SPARK-56065
URL: https://issues.apache.org/jira/browse/SPARK-56065
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.1.1
Reporter: Chao Sun
Currently in AQE, the BHJ to shuffle join replanning only has limited coverage
and in many cases a BHJ can still fail with errors such as
{code:java}
Cannot broadcast the table that is larger than <maxBroadcastTableBytes>:
<dataSize> {code}
In AQE, we can detect the failed broadcast query stage and dynamically generate
a new plan and fallback to shuffle join.
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