[jira] [Created] (FLINK-5899) Fix the bug in initializing the DataSetTumbleTimeWindowAggReduceGroupFunction

[Shang Yuanchun (Jira)]

Shaoxuan Wang created FLINK-5899:
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             Summary: Fix the bug in initializing the DataSetTumbleTimeWindowAggReduceGroupFunction
                 Key: FLINK-5899
                 URL: https://issues.apache.org/jira/browse/FLINK-5899
             Project: Flink
          Issue Type: Bug
          Components: Table API & SQL
            Reporter: Shaoxuan Wang
            Assignee: Shaoxuan Wang


The row length used to initialize DataSetTumbleTimeWindowAggReduceGroupFunction was not set properly. (I think this is introduced by mistake when merging the code).
We currently lack the built-in non-partial-merge Aggregates. Therefore this has not been captured by the unit test.

Reproduce step:
1. set the "supportPartial" to false for SumAggregate
2. Then both testAllEventTimeTumblingWindowOverTime and testEventTimeTumblingGroupWindowOverTime will fail.



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