Github user HyukjinKwon commented on the issue:
https://github.com/apache/spark/pull/20841
Ah, I got the point. So, you mean a dictionary-like approach -
`get("non-existant-key")` should return `None` always instead of throwing an
error, language-specifically? I think we might consider to allow other
dictionary-like operations together similarly but otherwise it might be fine to
leave it consistent with Scala side.
Strictly, I blieve this PR doesn't change that behaviour if I understood
correctly but just preserves it anyway.
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