Cheng Su created SPARK-34704:
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Summary: Add code-gen support for all join types of sort merge join
Key: SPARK-34704
URL: https://issues.apache.org/jira/browse/SPARK-34704
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.0
Reporter: Cheng Su
Currently sort merge join only has code-gen for inner join type
([https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/SortMergeJoinExec.scala#L374]
). We added code-gen for other join types internally in our fork and saw
obvious CPU performance improvement. Create this Jira to add the code-gen to
upstream.
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