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https://issues.apache.org/jira/browse/IOTDB-1397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wangyanhong reassigned IOTDB-1397:
----------------------------------
Assignee: wangyanhong
> 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
> Assignee: wangyanhong
> Priority: Major
>
> 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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