Getting Started
User Guide
API Reference
Development
Migration Guide
Spark SQL
Pandas API on Spark
Structured Streaming
MLlib (DataFrame-based)
Spark Streaming
MLlib (RDD-based)
Spark Core
Resource Management
pyspark.sql.functions.upper
¶
pyspark.sql.functions.
upper
(
col
)
[source]
¶
Converts a string expression to upper case.
New in version 1.5.
pyspark.sql.functions.unix_timestamp
pyspark.sql.functions.var_pop