PySpark lit() – Add Literal or Constant to DataFrame

PySpark SQL functions lit() and typedLit() are used to add a new column to DataFrame by assigning a literal or constant value. Both these functions return Column type as return type. Both of these are available in PySpark by importing pyspark.sql.functions First, let's create a DataFrame. import pyspark from pyspark.sql…

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Spark – Add New Column & Multiple Columns to DataFrame

Adding a new column or multiple columns to Spark DataFrame can be done using withColumn(), select(), map() methods of DataFrame, In this article, I will explain how to add a new column from the existing column, adding a constant or literal value, and finally adding a list column to DataFrame.…

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