Packages

c

org.apache.spark.sql.execution.adaptive

SimpleCostEvaluator

case class SimpleCostEvaluator(forceOptimizeSkewedJoin: Boolean) extends CostEvaluator with Product with Serializable

A skew join aware implementation of CostEvaluator, which counts the number of ShuffleExchangeLike nodes and skew join nodes in the plan.

Linear Supertypes
Serializable, Serializable, Product, Equals, CostEvaluator, AnyRef, Any
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Inherited
  1. SimpleCostEvaluator
  2. Serializable
  3. Serializable
  4. Product
  5. Equals
  6. CostEvaluator
  7. AnyRef
  8. Any
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Visibility
  1. Public
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Instance Constructors

  1. new SimpleCostEvaluator(forceOptimizeSkewedJoin: Boolean)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def evaluateCost(plan: SparkPlan): Cost
    Definition Classes
    SimpleCostEvaluator → CostEvaluator
  8. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. val forceOptimizeSkewedJoin: Boolean
  10. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  11. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  13. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  14. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  15. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  16. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  17. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  18. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from CostEvaluator

Inherited from AnyRef

Inherited from Any

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