org.apache.spark.sql

Class ExperimentalMethods

java.lang.Object

org.apache.spark.sql.ExperimentalMethods

public class ExperimentalMethods
extends java.lang.Object

:: Experimental :: Holder for experimental methods for the bravest. We make NO guarantee about the stability regarding binary compatibility and source compatibility of methods here.

   spark.experimental.extraStrategies += ...
 

Since:

1.3.0

Method Summary

Methods

Modifier and Type	Method and Description
scala.collection.Seq<org.apache.spark.sql.catalyst.rules.Rule<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>>	extraOptimizations()
scala.collection.Seq<org.apache.spark.sql.catalyst.planning.GenericStrategy<org.apache.spark.sql.execution.SparkPlan>>	extraStrategies() Allows extra strategies to be injected into the query planner at runtime.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

extraStrategies

public scala.collection.Seq<org.apache.spark.sql.catalyst.planning.GenericStrategy<org.apache.spark.sql.execution.SparkPlan>> extraStrategies()

Allows extra strategies to be injected into the query planner at runtime. Note this API should be considered experimental and is not intended to be stable across releases.

Returns:

(undocumented)

Since:

1.3.0

extraOptimizations

public scala.collection.Seq<org.apache.spark.sql.catalyst.rules.Rule<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>> extraOptimizations()