pyspark.sql.functions.to_csv¶
-
pyspark.sql.functions.
to_csv
(col, options=None)[source]¶ Converts a column containing a
StructType
into a CSV string. Throws an exception, in the case of an unsupported type.New in version 3.0.0.
- Parameters
- col
Column
or str name of column containing a struct.
- options: dict, optional
options to control converting. accepts the same options as the CSV datasource. See Data Source Option in the version you use.
- col
Examples
>>> from pyspark.sql import Row >>> data = [(1, Row(age=2, name='Alice'))] >>> df = spark.createDataFrame(data, ("key", "value")) >>> df.select(to_csv(df.value).alias("csv")).collect() [Row(csv='2,Alice')]