[jira] [Created] (FLINK-18673) Calling ROW() in a UDF results in UnsupportedOperationException

[Shang Yuanchun (Jira)]

Fabian Hueske created FLINK-18673:
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             Summary: Calling ROW() in a UDF results in UnsupportedOperationException
                 Key: FLINK-18673
                 URL: https://issues.apache.org/jira/browse/FLINK-18673
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Fabian Hueske


Given a UDF {{func}} that accepts a {{ROW(INT, STRING)}} as parameter, it cannot be called like this:


{code:java}
SELECT func(ROW(a, b)) FROM t{code}
while this works

 

 
{code:java}
SELECT func(r) FROM (SELECT ROW(a, b) FROM t){code}
 

The exception returned is:
{quote}
org.apache.flink.table.api.ValidationException: SQL validation failed. null
{quote}
with an empty {{UnsupportedOperationException}} as cause.



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