Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20637#discussion_r206841463
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateUnsafeProjection.scala
---
@@ -142,7 +143,7 @@ object GenerateUnsafeProjection extends
CodeGenerator[Seq[Expression], UnsafePro
case _ => s"$rowWriter.write($index, ${input.value});"
}
- if (input.isNull == "false") {
+ if (input.isNull == "false" || !nullable) {
--- End diff --
aren't those checks equivalent?
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