isNotNull

Periksa apakah nilai kolom tidak null.

Sintaksis

isNotNull()

Pengembalian Barang

Kolom (boolean)

Examples

from pyspark.sql import Row
df = spark.createDataFrame([Row(name='Tom', height=80), Row(name='Alice', height=None)])
df.filter(df.height.isNotNull()).collect()

# [Row(name='Tom', height=80)]