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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2018/01/03 14:38:00 UTC

[jira] [Created] (SPARK-22945) add java UDF APIs in the functions object

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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