pyspark.sql.UDFRegistration��
-
class
pyspark.sql.
UDFRegistration
(sparkSession: SparkSession)[source]�� Wrapper for user-defined function registration. This instance can be accessed by
spark.udf
orsqlContext.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.