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https://issues.apache.org/jira/browse/FLINK-22781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365845#comment-17365845
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JING ZHANG commented on FLINK-22781:
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[~flink-jira-bot] I'm still working on this. [~godfreyhe] Would you please
remove the tag because I have no permission to edit. Thanks a lot.
> Incorrect result for group window aggregate when mini-batch is enabled
> ----------------------------------------------------------------------
>
> Key: FLINK-22781
> URL: https://issues.apache.org/jira/browse/FLINK-22781
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.14.0
> Reporter: godfrey he
> Assignee: JING ZHANG
> Priority: Critical
> Labels: stale-assigned
> Fix For: 1.14.0
>
>
> We can reproduce this issue through adding the following code to
> {{GroupWindowITCase#testWindowAggregateOnUpsertSource}} method:
> {code:java}
> tEnv.getConfig.getConfiguration.setBoolean(
> ExecutionConfigOptions.TABLE_EXEC_MINIBATCH_ENABLED, true)
> tEnv.getConfig.getConfiguration.set(
> ExecutionConfigOptions.TABLE_EXEC_MINIBATCH_ALLOW_LATENCY,
> Duration.ofSeconds(1))
> tEnv.getConfig.getConfiguration.setLong(
> ExecutionConfigOptions.TABLE_EXEC_MINIBATCH_SIZE, 10L)
> {code}
> The reason is the group window without any data (the data may be retracted)
> should not send any record.
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