cloud-fan commented on a change in pull request #29800:
URL: https://github.com/apache/spark/pull/29800#discussion_r512451428
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/window/WindowExec.scala
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@@ -58,7 +58,7 @@ import org.apache.spark.sql.types.{CalendarIntervalType,
DateType, IntegerType,
* 4. 1 PRECEDING AND 1 FOLLOWING
* 5. 1 FOLLOWING AND 2 FOLLOWING
* - Offset frame: The frame consist of one row, which is an offset number of
rows away from the
- * current row. Only [[OffsetWindowFunction]]s can be processed in an offset
frame.
+ * current row. Only [[FrameLessOffsetWindowFunction]]s can be processed in
an offset frame.
Review comment:
how about `UnboundedOffsetWindowFunctionFrame`? Is it also a "Offset
frame"?
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