foreachPartition

Applies the f function to each partition of this DataFrame.

Syntax

foreachPartition(f: Callable[[Iterator[Row]], None])

Parameters

Parameter	Type	Description
f	function	A function that accepts one parameter which will receive each partition to process.

Examples

df = spark.createDataFrame(
    [(14, "Tom"), (23, "Alice"), (16, "Bob")], ["age", "name"])
def func(itr):
    for person in itr:
        print(person.name)

df.foreachPartition(func)