pyspark.sql.UDFRegistration

class pyspark.sql.UDFRegistration(sparkSession)

Wrapper for user-defined function registration. This instance can be accessed by spark.udf or sqlContext.udf.

New in version 1.3.1.

Methods

register(name, f[, returnType])	Register a Python function (including lambda function) or a user-defined function as a SQL function.
registerJavaFunction(name, javaClassName[, ...])	Register a Java user-defined function as a SQL function.
registerJavaUDAF(name, javaClassName)	Register a Java user-defined aggregate function as a SQL function.