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Adds output options for the underlying data source.
Syntax
options(**options)
Parameters
| Parameter | Type | Description |
|---|---|---|
**options |
dict | String keys mapped to primitive-type values. For available options, see DataFrameWriter options. |
Returns
DataFrameWriter
Examples
Write a DataFrame into a CSV file with nullValue and header options set.
import tempfile
with tempfile.TemporaryDirectory(prefix="options") as d:
df = spark.createDataFrame([(100, None)], "age INT, name STRING")
df.write.options(nullValue="Alice", header=True).mode(
"overwrite").format("csv").save(d)
spark.read.option("header", True).format('csv').load(d).show()
# +---+------------+
# |age| name|
# +---+------------+
# |100|Alice|
# +---+------------+