Wenchen Fan created SPARK-22945:
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Summary: add java UDF APIs in the functions object
Key: SPARK-22945
URL: https://issues.apache.org/jira/browse/SPARK-22945
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.3.0
Reporter: Wenchen Fan
Assignee: Wenchen Fan
Currently Scala users can use UDF like
{code}
val foo = udf((i: Int) => Math.random() + i).asNondeterministic
df.select(foo('a))
{code}
Python users can also do it with similar APIs. However Java users can't do it,
we should add Java UDF APIs in the functions object.
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