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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/01/03 14:44:00 UTC
[jira] [Assigned] (SPARK-22945) add java UDF APIs in the functions
object
[ https://issues.apache.org/jira/browse/SPARK-22945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-22945:
------------------------------------
Assignee: Apache Spark (was: Wenchen Fan)
> 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: Apache Spark
>
> 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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