input_file_block_length

Mengembalikan panjang blok yang sedang dibaca, atau -1 jika tidak tersedia.

Syntax

from pyspark.sql import functions as sf

sf.input_file_block_length()

Examples

Contoh 1: Mendapatkan panjang blok file input

from pyspark.sql import functions as sf
df = spark.read.text("python/test_support/sql/ages_newlines.csv", lineSep=",")
df.select(sf.input_file_block_length()).show()

+-------------------------+
|input_file_block_length()|
+-------------------------+
|                       87|
|                       87|
|                       87|
|                       87|
|                       87|
|                       87|
|                       87|
|                       87|
+-------------------------+