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upper

Converts a string expression to upper case.

For the corresponding Databricks SQL function, see upper function.

Syntax

from pyspark.databricks.sql import functions as dbf

dbf.upper(col=<col>)

Parameters

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

Returns

pyspark.sql.Column: upper case values.

Examples

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