Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22785#discussion_r226977895 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/RowEncoder.scala --- @@ -171,7 +171,7 @@ object RowEncoder { if (inputObject.nullable) { If(IsNull(inputObject), - Literal.create(null, inputType), + Literal.create(null, nonNullOutput.dataType), --- End diff -- what's the difference?
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