pyspark.sql.udf.UserDefinedFunction

class pyspark.sql.udf.UserDefinedFunction(func: Callable[[…], Any], returnType: DataTypeOrString = StringType(), name: Optional[str] = None, evalType: int = 100, deterministic: bool = True)

User defined function in Python

New in version 1.3.

Notes

The constructor of this class is not supposed to be directly called. Use pyspark.sql.functions.udf() or pyspark.sql.functions.pandas_udf() to create this instance.

Methods

asNondeterministic()

Updates UserDefinedFunction to nondeterministic.

Attributes

returnType

pyspark.sql.UDFRegistration Spark Session