kevinjmh edited a comment on issue #19082: [SPARK-21870][SQL] Split aggregation code into small functions URL: https://github.com/apache/spark/pull/19082#issuecomment-469572017 Thanks for your reply. @gatorsmile @cloud-fan, is there any update about the root cause and solution for this problem? (Performance degrade when run aggregation query on multi-columns with codeGen enable)
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