[jira] [Created] (FLINK-22781) Incorrect result for group window aggregate when mini-batch is enabled

[Shang Yuanchun (Jira)]

godfrey he created FLINK-22781:
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             Summary: 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


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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