xin-aurora commented on code in PR #50552: URL: https://github.com/apache/spark/pull/50552#discussion_r2045635451
########## sql/core/src/main/scala/org/apache/spark/sql/execution/window/WindowFunctionFrame.scala: ########## @@ -183,7 +183,8 @@ abstract class OffsetWindowFunctionFrameBase( override def prepare(rows: ExternalAppendOnlyUnsafeRowArray): Unit = { resetStates(rows) if (absOffset > rows.length) { - fillDefaultValue(EmptyRow) Review Comment: > if the code is not needed, just remove them. and add some comments to explain the reason Edit the comments to include the reason -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org