[SPARK-23617] Register a Function without params with Spark SQL Java API

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.2.1
• Fix Version/s: 2.3.0
• Component/s: Java API, SQL
• Assignee: Unassigned
• Reporter: Paul Wu
• Created: 07/Mar/18 01:31
• Updated: 12/Dec/22 18:10
• Resolved: 07/Mar/18 06:12

Description

One can register a function using Scala:

spark.udf.register("uuid", ()=>java.util.UUID.randomUUID.toString)

Now, if I use Java API:

spark.udf().register("uuid", ()=>java.util.UUID.randomUUID().toString());

The code does not compile. Define UDF0 for Java API?