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Posted to dev@flink.apache.org by "Jingsong Lee (Jira)" <ji...@apache.org> on 2021/06/24 11:32:00 UTC

[jira] [Created] (FLINK-23142) UpdatableTopNFunction output wrong order in the same unique key

Jingsong Lee created FLINK-23142:
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             Summary: UpdatableTopNFunction output wrong order in the same unique key
                 Key: FLINK-23142
                 URL: https://issues.apache.org/jira/browse/FLINK-23142
             Project: Flink
          Issue Type: Bug
            Reporter: Jingsong Lee
             Fix For: 1.14.0


See {{UpdatableTopNFunctionTest.testSortKeyChangesWhenOutputRankNumber}} 
{code:java}
expectedOutput.add(updateBeforeRecord("book", 3L, 16, 1L));
expectedOutput.add(updateAfterRecord("book", 2L, 11, 1L));
expectedOutput.add(updateBeforeRecord("book", 2L, 19, 2L));
expectedOutput.add(updateAfterRecord("book", 3L, 16, 2L));
{code}
It should collect the third record and then collect the second record.



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