kiszk commented on issue #20965: [SPARK-21870][SQL] Split aggregation code into small functions URL: https://github.com/apache/spark/pull/20965#issuecomment-477466558 Some people want to address the IR codegen as a long term approach to improve performance, too. I agree that this issue is not solved and there is no active approach to address this issue. IMHO, the direction in this PR seems good for the short-term solution. WDYH cc @gatorsmile @cloud-fan @viirya @rednaxelafx
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