viirya commented on pull request #28269:
URL: https://github.com/apache/spark/pull/28269#issuecomment-641784863
@cloud-fan Do you still think merging In and InSet is a good idea?
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viirya commented on pull request #28269:
URL: https://github.com/apache/spark/pull/28269#issuecomment-619496712
@cloud-fan Sounds good to me. I think the optimization can be moved into In
expression and let it choose to do InSet style optimization when it is
suitable. I can make a try late
