Dummy

Dummy transformation for testing purposes.

koheesio.spark.transformations.dummy.DummyTransformation

Dummy transformation for testing purposes.

This transformation adds a new column hello to the DataFrame with the value world.

It is intended for testing purposes or for use in examples or reference documentation.

Example

input_df:

id
1

output_df = DummyTransformation().transform(input_df)

output_df:

id	hello
1	world

In this example, the hello column is added to the DataFrame input_df.

execute

execute() -> Output

Source code in src/koheesio/spark/transformations/dummy.py

def execute(self) -> Transformation.Output:
    self.output.df = self.df.withColumn("hello", lit("world"))