Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3733#discussion_r112065725
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamOverAggregate.scala
---
@@ -129,11 +131,17 @@ class DataStreamOverAggregate(
generator,
inputDS,
isRowTimeType = false,
- isRowsClause = overWindow.isRows)
+ isRowsClause = overWindow.isRows,
+ consumeRetraction)
--- End diff --
I think it would be better to enable retraction for all types of OVER
aggregates at the same time.
Just supporting one specific type adds more confusion than it helps, in my
opinion.
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