Package org.apache.spark.sql
Class ExperimentalMethods
Object
org.apache.spark.sql.ExperimentalMethods
:: 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
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Method Summary
Modifier and TypeMethodDescriptionclone()
scala.collection.immutable.Seq<org.apache.spark.sql.catalyst.rules.Rule<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>>
scala.collection.immutable.Seq<org.apache.spark.sql.execution.SparkStrategy>
Allows extra strategies to be injected into the query planner at runtime.
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Method Details
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clone
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extraOptimizations
public scala.collection.immutable.Seq<org.apache.spark.sql.catalyst.rules.Rule<org.apache.spark.sql.catalyst.plans.logical.LogicalPlan>> extraOptimizations() -
extraStrategies
public scala.collection.immutable.Seq<org.apache.spark.sql.execution.SparkStrategy> 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
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