Github user BryanCutler commented on the issue:
https://github.com/apache/spark/pull/20280
Looking at this again, I'm back to thinking this is the right fix. Based
on #14469, if the `Row` objects were made with named arguments, then the intent
is for elements to be looked up by field name since the schema could be in a
different order. This shouldn't change depending on if the `Row` objects were
serialized. Let me restate what I think the intended behavior of `Row` is:
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