srowen commented on issue #21215: [SPARK-24148][SQL] Overloading array function to support typed empty arrays URL: https://github.com/apache/spark/pull/21215#issuecomment-483257742 What about Map types too -- same issue? I just wonder if it's worth a whole new API method given there's a way to express it if really needed, or possibly a way to simply rewrite the code to avoid it?
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