[jira] [Created] (IOTDB-3263) Support filtering null in expressions for mpp cluster

[Steve Yurong Su (Jira)]

Steve Yurong Su created IOTDB-3263:
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             Summary: Support filtering null in expressions for mpp cluster
                 Key: IOTDB-3263
                 URL: https://issues.apache.org/jira/browse/IOTDB-3263
             Project: Apache IoTDB
          Issue Type: Task
            Reporter: Steve Yurong Su
            Assignee: Steve Yurong Su


Examples：

select s1, s2 where s2 != null;

select s1, s2 where s1 != null and s2 != null;

select s1, s2 where s1 != null and s2 == null;

 



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