Github user wuchong commented on a diff in the pull request: https://github.com/apache/flink/pull/3266#discussion_r100001509 --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/AggregateUtil.scala --- @@ -210,14 +210,14 @@ object AggregateUtil { else { // for non-incremental aggregations new DataSetTumbleTimeWindowAggReduceGroupFunction( - intermediateRowArity - 1, + intermediateRowArity, asLong(size), startPos, endPos, aggregates, groupingOffsetMapping, aggOffsetMapping, - intermediateRowArity, + intermediateRowArity + 1, // the additional field is used to store the time attribute --- End diff -- good catch !
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