pyspark.sql.DataFrameWriter.options¶
-
DataFrameWriter.
options
(**options: OptionalPrimitiveType) → DataFrameWriter[source]¶ Adds output options for the underlying data source.
New in version 1.4.0.
Changed in version 3.4.0: Supports Spark Connect.
- Parameters
- **optionsdict
The dictionary of string keys and primitive-type values.
Examples
>>> spark.range(1).write.option("key", "value") <...readwriter.DataFrameWriter object ...>
Specify the option ‘nullValue’ and ‘header’ with writing a CSV file.
>>> from pyspark.sql.types import StructType,StructField, StringType, IntegerType >>> schema = StructType([ ... StructField("age",IntegerType(),True), ... StructField("name",StringType(),True), ... ]) >>> import tempfile >>> with tempfile.TemporaryDirectory() as d: ... # Write a DataFrame into a CSV file with 'nullValue' option set to 'Hyukjin Kwon', ... # and 'header' option set to `True`. ... df = spark.createDataFrame([(100, None)], schema=schema) ... df.write.options(nullValue="Hyukjin Kwon", header=True).mode( ... "overwrite").format("csv").save(d) ... ... # Read the CSV file as a DataFrame. ... spark.read.option("header", True).format('csv').load(d).show() +---+------------+ |age| name| +---+------------+ |100|Hyukjin Kwon| +---+------------+