parquet (DataStreamReader)
Loads a Parquet file stream and returns the result as a DataFrame.
Syntax
parquet(path, **options)
Parameters
Parameter | Type | Description |
|---|---|---|
| str | Path in any Hadoop-supported file system. |
Returns
DataFrame
Examples
Load a stream from a temporary Parquet file:
Python
import tempfile
import time
with tempfile.TemporaryDirectory(prefix="parquet") as d:
spark.range(10).write.mode("overwrite").format("parquet").save(d)
q = spark.readStream.schema(
"id LONG").parquet(d).writeStream.format("console").start()
time.sleep(3)
q.stop()