[jira] [Created] (FLINK-7298) Records can be cleared when all data in state is invalid

[Shang Yuanchun (Jira)]

Hequn Cheng created FLINK-7298:
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             Summary: Records can be cleared when all data in state is invalid
                 Key: FLINK-7298
                 URL: https://issues.apache.org/jira/browse/FLINK-7298
             Project: Flink
          Issue Type: Improvement
            Reporter: Hequn Cheng


In {{ProcTimeWindowInnerJoin}}.{{expireOutTimeRow}}, we need not to remove records from state when there is no valid records. Instead, we can clear
 them all at once.



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