org.apache.spark.sql.sources.v2

Interface SessionConfigSupport

All Superinterfaces:

DataSourceV2

@InterfaceStability.Evolving
public interface SessionConfigSupport
extends DataSourceV2

A mix-in interface for DataSourceV2. Data sources can implement this interface to propagate session configs with the specified key-prefix to all data source operations in this session.

Method Summary

Modifier and Type	Method and Description
String	keyPrefix() Key prefix of the session configs to propagate.

Method Detail

keyPrefix

String keyPrefix()

Key prefix of the session configs to propagate. Spark will extract all session configs that starts with `spark.datasource.$keyPrefix`, turn `spark.datasource.$keyPrefix.xxx -> yyy` into `xxx -> yyy`, and propagate them to all data source operations in this session.