otherwise

Specify a default value for when conditions in when() are not met.

Syntax

Python

otherwise(value)

Parameters

Parameter	Type	Description
value	value	Default value to return

Returns

Column

Examples

Python

from pyspark.sql import functions as sf
df = spark.createDataFrame(
     [(2, "Alice"), (5, "Bob")], ["age", "name"])
df.select(df.name, sf.when(df.age > 3, 1).otherwise(0)).show()

Output

# +-----+-------------------------------------+
# | name|CASE WHEN (age > 3) THEN 1 ELSE 0 END|
# +-----+-------------------------------------+
# |Alice|                                    0|
# |  Bob|                                    1|
# +-----+-------------------------------------+