Removes all the registered QueryExecutionListener.
Removes all the registered QueryExecutionListener.
Get an identical copy of this listener manager.
Get an identical copy of this listener manager.
Registers the specified QueryExecutionListener.
Registers the specified QueryExecutionListener.
Unregisters the specified QueryExecutionListener.
Unregisters the specified QueryExecutionListener.
:: Experimental ::
Manager for QueryExecutionListener. See
org.apache.spark.sql.SQLContext.listenerManager
.