Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3863#discussion_r115735538
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/GroupAggProcessFunction.scala
---
@@ -54,6 +55,7 @@ class GroupAggProcessFunction(
private var state: ValueState[Row] = _
// counts the number of added and retracted input records
private var cntState: ValueState[JLong] = _
+ // holds the latest registered cleanup timer
--- End diff --
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