DataFrame.
withColumns
Returns a new DataFrame by adding multiple columns or replacing the existing columns that have the same names.
DataFrame
The colsMap is a map of column name and column, the column must only refer to attributes supplied by this Dataset. It is an error to add columns that refer to some other Dataset.
New in version 3.3.0: Added support for multiple columns adding
Changed in version 3.4.0: Supports Spark Connect.
a dict of column name and Column. Currently, only a single map is supported.
Column
DataFrame with new or replaced columns.
Examples
>>> df = spark.createDataFrame([(2, "Alice"), (5, "Bob")], schema=["age", "name"]) >>> df.withColumns({'age2': df.age + 2, 'age3': df.age + 3}).show() +---+-----+----+----+ |age| name|age2|age3| +---+-----+----+----+ | 2|Alice| 4| 5| | 5| Bob| 7| 8| +---+-----+----+----+