alias (Column)

Give the column an alias.

Syntax

Python

alias(*alias, **kwargs)

Parameters

Parameter	Type	Description
alias	str	One or more alias names

Parameter	Type	Description
alias	str	One or more alias names

Returns

Column

Examples

Python

df = spark.createDataFrame(
     [(2, "Alice"), (5, "Bob")], ["age", "name"])
df.select(df.age.alias("age2")).collect()

Output

# [Row(age2=2), Row(age2=5)]

Python

df.select(df.age.alias("age3", metadata={'max': 99})).schema['age3'].metadata['max']

Output

# 99