[jira] [Created] (FLINK-27741) Fix NPE when use dense_rank() and rank() in over aggregation

[chenzihao (Jira)]

chenzihao created FLINK-27741:
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             Summary: Fix NPE when use dense_rank() and rank() in over 
aggregation
                 Key: FLINK-27741
                 URL: https://issues.apache.org/jira/browse/FLINK-27741
             Project: Flink
          Issue Type: Bug
          Components: Table SQL / Planner
    Affects Versions: 1.16.0
            Reporter: chenzihao
             Fix For: 1.16.0


There has an 'NullPointException' when use RANK() and DENSE_RANK() in over 
window.



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