Cheng Hao created SPARK-8867:
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Summary: Show the UDF usage for user.
Key: SPARK-8867
URL: https://issues.apache.org/jira/browse/SPARK-8867
Project: Spark
Issue Type: Task
Components: SQL
Reporter: Cheng Hao
As Hive does, we need to provide the feature for user, to show the usage of a
UDF.
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