[SPARK-19285] Java - Provide user-defined function of 0 arguments (UDF0)

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3.0
• Component/s: SQL
• Assignee: Xiao Li
• Reporter: Amit Baghel
• Created: 19/Jan/17 09:55
• Updated: 11/Jul/17 22:47
• Resolved: 11/Jul/17 22:47

Description

I need to implement zero argument UDF but Spark java api doesn't provide UDF0.

https://github.com/apache/spark/tree/master/sql/core/src/main/java/org/apache/spark/sql/api/java

For workaround I am creating UDF1 with one argument and not using this argument.

Issue Links

• links to: [Github] Pull Request #18598 (gatorsmile)