HyukjinKwon commented on issue #21215: [SPARK-24148][SQL] Overloading array function to support typed empty arrays URL: https://github.com/apache/spark/pull/21215#issuecomment-549671499 I think we should rather have `array<null>` that can be type coerced to any type. Since the workarounds were provided, shall we close this PR? I think we won't have to expose another API.
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