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https://issues.apache.org/jira/browse/FLINK-5899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15882601#comment-15882601
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ASF GitHub Bot commented on FLINK-5899:
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Github user fhueske commented on the issue:
https://github.com/apache/flink/pull/3405
Thanks for the fix @shaoxuan-wang!
Merging
> Fix the bug in EventTimeTumblingWindow for non-partialMerge aggregate
> ---------------------------------------------------------------------
>
> 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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