upper

Converts a string expression to upper case.

For the corresponding Databricks SQL function, see upper function.

Syntax

Python

from pyspark.sql import functions as dbf

dbf.upper(col=<col>)

Parameters

Parameter	Type	Description
col	pyspark.sql.Column or str	target column to work on.

Parameter	Type	Description
col	pyspark.sql.Column or str	target column to work on.

Returns

pyspark.sql.Column: upper case values.

Examples

Python

from pyspark.sql import functions as dbf
df = spark.createDataFrame(["Spark", "PySpark", "Pandas API"], "STRING")
df.select("*", dbf.upper("value")).show()