Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/14284#discussion_r71993975 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/WindowExec.scala --- @@ -625,10 +643,12 @@ private[execution] final class OffsetWindowFunctionFrame( if (inputIndex >= 0 && inputIndex < input.size) { --- End diff -- This is a more general comment, which does not necessarily apply to this line. Since we are breaking the code up into to separate code paths (with row/without row), we might as well get rid of the joined row and the logic needed to set this up (like: `Seq.fill(ordinal)(NoOp)`)
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