Steve Yurong Su created IOTDB-1397:
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             Summary: Change the semantics of udf(*, *)
                 Key: IOTDB-1397
                 URL: https://issues.apache.org/jira/browse/IOTDB-1397
             Project: Apache IoTDB
          Issue Type: Sub-task
            Reporter: Steve Yurong Su


Example:

Assume that we have 

root.sg.d.s1, root.sg.d.s2

 

Current:

select udf(*, *) from root.sg.d1

We will get 

udf(root.sg.d.s1, from root.sg.d.s1) 

udf(root.sg.d.s1, from root.sg.d.s2) 

udf(root.sg.d.s2, from root.sg.d.s1) 

udf(root.sg.d.s2, from root.sg.d.s2) 

 

Expected:

select udf(*, *) from root.sg.d1

We can get 

udf(root.sg.d.s1, from root.sg.d.s1) 

 

as result.



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