Github user juliuszsompolski commented on the issue:
https://github.com/apache/spark/pull/21403
@mgaido91 BTW: In SPARK-24395 I would consider the cases to still be valid,
because I believe there is no other syntactic way to do a multi-column IN/NOT
IN with list of literals.
The question is whether it should be treated as structs, or unpacked?
If like structs, then the current behavior is correct, I think.
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