cloud-fan commented on PR #32987:
URL: https://github.com/apache/spark/pull/32987#issuecomment-1491247967
After taking another thought, I think the idea is valid. If a subexpression
will be evaluated at least once, and likely more than once due to conditional
branches, it should be benefici
cloud-fan commented on PR #32987:
URL: https://github.com/apache/spark/pull/32987#issuecomment-1258168996
I don't have a good idea about how to fix this issue. Assume a subexpression
appears in both a normal branch and a conditional branch:
1. The condition branch may never be hit at runt
cloud-fan commented on pull request #32987:
URL: https://github.com/apache/spark/pull/32987#issuecomment-866001630
OK to test
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