foreach
Applies the f function to all Row of this DataFrame.
Syntax
foreach(f: Callable[[Row], None])
Parameters
Parameter | Type | Description |
|---|---|---|
| function | A function that accepts one parameter which will receive each row to process. |
Examples
Python
df = spark.createDataFrame(
[(14, "Tom"), (23, "Alice"), (16, "Bob")], ["age", "name"])
def func(person):
print(person.name)
df.foreach(func)