read (SparkSession)

Returns a DataFrameReader that can be used to read data as a DataFrame.

Syntax

read

Returns

DataFrameReader

Examples

Python

import tempfile

with tempfile.TemporaryDirectory(prefix="read") as d:
    # Write a DataFrame into a JSON file.
    spark.createDataFrame(
        [{"age": 100, "name": "Alice"}]
    ).write.mode("overwrite").format("json").save(d)

    # Read the JSON file as a DataFrame.
    spark.read.format('json').load(d).show()
# +---+------------+
# |age|        name|
# +---+------------+
# |100|Alice|
# +---+------------+