Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3863#discussion_r115908788
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamOverAggregate.scala
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@@ -239,6 +248,7 @@ class DataStreamOverAggregate(
}
def createBoundedAndCurrentRowOverWindow(
--- End diff --
I do not think we need add this check. Because both `row-base` and
`time-base` will be able to meet the incorrect result due to state cleanup. an
importation thing we need to do is let use know the function of the `cleanup
config`.
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