Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/14912 @viirya Could you please wait for the CNF predicate normalization rule? @liancheng @yjshen did a few related work before. See https://github.com/apache/spark/pull/10444 and https://github.com/apache/spark/pull/8200. Let us also collect the inputs from @ioana-delaney @nsyca . They did a lot of related work in the past 10+ years. We need a good design about CNF normalization, which can benefit the other optimizer rules.
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