Share via


queryName (DataStreamWriter)

Specifies the name of the StreamingQuery that can be started with start(). This name must be unique among all currently active queries in the associated SparkSession.

Syntax

queryName(queryName)

Parameters

Parameter Type Description
queryName str Unique name for the query.

Returns

DataStreamWriter

Examples

import time
df = spark.readStream.format("rate").load()
q = df.writeStream.queryName("streaming_query").format("console").start()
q.stop()
q.name
# 'streaming_query'