Hyukjin Kwon created SPARK-44926:
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Summary: Replace the module alias 'sf' instead of 'F' in
pyspark.sql import functions
Key: SPARK-44926
URL: https://issues.apache.org/jira/browse/SPARK-44926
Project: Spark
Issue Type: Documentation
Components: PySpark
Affects Versions: 3.5.0
Reporter: Hyukjin Kwon
{code}
from pyspark.sql import functions as F
{code}
isn’t very Pythonic - it does not follow PEP 8, see Package and Module Names
(https://peps.python.org/pep-0008/#package-and-module-names).
Modules should have short, all-lowercase names. Underscores can be used in the
module name if it improves
readability. Python packages should also have short, all-lowercase names,
although the use of underscores
is discouraged.
Therefore, the module’s alias should follow this. In practice, the uppercase is
only used at the module/package
level constants in my experience, see also Constants
(https://peps.python.org/pep-0008/#constants).
See also this stackoverflow comment
(https://stackoverflow.com/questions/70458086/how-to-correctly-import-pyspark-sql-functions#comment129714058_70458115).
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