hvanhovell commented on a change in pull request #27440: [SPARK-27951][SQL]
Support ANSI SQL NTH_VALUE window function
URL: https://github.com/apache/spark/pull/27440#discussion_r376786736
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala
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@@ -363,6 +363,11 @@ abstract class OffsetWindowFunction
*/
val direction: SortDirection
+ /**
+ * Whether the offset is based on the entire frame.
+ */
+ val isWholeBased: Boolean = false
Review comment:
Just special case the NTH_VALUE aggregate function instead of doing this.
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