Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4488#discussion_r131720129
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/datastream/DataStreamGroupWindowAggregate.scala
---
@@ -148,6 +142,20 @@ class DataStreamGroupWindowAggregate(
"state size. You may specify a retention time of 0 to not clean up
the state.")
}
+ val timestampedInput = if (isRowtimeAttribute(window.timeAttribute)) {
+ // copy the window rowtime attribute into the StreamRecord timestamp
field
+ val timeAttribute =
window.timeAttribute.asInstanceOf[ResolvedFieldReference].name
+ val timeIdx = inputSchema.logicalFieldNames.indexOf(timeAttribute)
+
+ inputDS
+ .process(
+ new
TimestampSetterProcessFunction(timeIdx,CRowTypeInfo(inputSchema.physicalTypeInfo)))
--- End diff --
missing space
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