input_file_name

Membuat kolom string untuk nama file tugas Spark saat ini.

Syntax

from pyspark.sql import functions as sf

sf.input_file_name()

Pengembalian Barang

pyspark.sql.Column: nama file.

Examples

Contoh 1: Dapatkan nama file input

import os
from pyspark.sql import functions as sf
path = os.path.abspath(__file__)
df = spark.read.text(path)
df.select(sf.input_file_name()).first()

Row(input_file_name()='file:/...')