srowen commented on issue #26324: [SPARK-29462] The data type of "array()" should be array<null> URL: https://github.com/apache/spark/pull/26324#issuecomment-549046017 I agree that compatibility is a minor issue here. But it also sounds like this change allows things to work that did not before. I'm trying to think of cases where something works with the current behavior and not with the new... is there one?
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