Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/22749#discussion_r226828791 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/RowEncoder.scala --- @@ -198,7 +196,7 @@ object RowEncoder { if (inputObject.nullable) { If(IsNull(inputObject), - Literal.create(null, inputType), + Literal.create(null, nonNullOutput.dataType), --- End diff -- This might be worth a separate PR. I'm considering to create one for it.
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