Weiqing Yang created SAMZA-1958:
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Summary: Add an API in ScalarUdf to get the Udf display information
Key: SAMZA-1958
URL: https://issues.apache.org/jira/browse/SAMZA-1958
Project: Samza
Issue Type: Sub-task
Components: sql
Reporter: Weiqing Yang
Fix For: 0.15.0
Currently if users implement new UDFs or if Samza SQL implements a new system
UDF, they need to manually register that UDF's information in the
"listFunctions" of Samza executor. So we may need to require UDFs to provide a
function of getting their "SamzaSqlUdfDisplayInfo", then Samza executor can get
the UDF information from SamzaSqlApplicationConfig.udfResolver(or
SamzaSqlApplicationConfig.udfMetadata) instead of registering UDFs manually.
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