Shekharrajak commented on PR #3211:
URL:
https://github.com/apache/datafusion-comet/pull/3211#issuecomment-3764985415
Findings with first version , where there was no improvements in benchmarks
:
1. aes_encrypt is a RuntimeReplaceable expression in Spark
2. Spark converts it to StaticInvoke calling Java's native crypto
libraries before Comet sees it
3. Even with our StaticInvoke registration, Comet's physical planner falls
back to Spark for the entire projection operator
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