asNondeterministic (Funkcja UserDefined)

Aktualizuje element UserDefinedFunction do nieokreślonego.

Składnia

asNondeterministic()

Zwroty

UserDefinedFunction

Examples

import random
from pyspark.sql.functions import udf
from pyspark.sql.types import IntegerType

random_udf = udf(lambda: random.randint(0, 100), IntegerType()).asNondeterministic()
new_random_udf = spark.udf.register("random_udf", random_udf)
spark.sql("SELECT random_udf()").collect()
# [Row(random_udf()=82)]