Class

org.apache.spark.sql.catalyst.optimizer.JoinReorderDP

JoinPlan

Related Doc: package JoinReorderDP

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case class JoinPlan(itemIds: Set[Int], plan: LogicalPlan, joinConds: Set[Expression], planCost: Cost) extends Product with Serializable

Partial join order in a specific level.

itemIds

Set of item ids participating in this partial plan.

plan

The plan tree with the lowest cost for these items found so far.

joinConds

Join conditions included in the plan.

planCost

The cost of this plan tree is the sum of costs of all intermediate joins.

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Serializable, Serializable, Product, Equals, AnyRef, Any
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Instance Constructors

  1. new JoinPlan(itemIds: Set[Int], plan: LogicalPlan, joinConds: Set[Expression], planCost: Cost)

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    itemIds

    Set of item ids participating in this partial plan.

    plan

    The plan tree with the lowest cost for these items found so far.

    joinConds

    Join conditions included in the plan.

    planCost

    The cost of this plan tree is the sum of costs of all intermediate joins.

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def betterThan(other: JoinPlan, conf: SQLConf): Boolean

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  6. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )

  7. final def eq(arg0: AnyRef): Boolean

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  8. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

  9. final def getClass(): Class[_]

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  10. final def isInstanceOf[T0]: Boolean

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  11. val itemIds: Set[Int]

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    Set of item ids participating in this partial plan.

  12. val joinConds: Set[Expression]

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    Join conditions included in the plan.

  13. final def ne(arg0: AnyRef): Boolean

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    AnyRef

  14. final def notify(): Unit

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  15. final def notifyAll(): Unit

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  16. val plan: LogicalPlan

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    The plan tree with the lowest cost for these items found so far.

  17. val planCost: Cost

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    The cost of this plan tree is the sum of costs of all intermediate joins.

  18. def rootCost(conf: SQLConf): Cost

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    Get the cost of the root node of this plan tree.

  19. final def synchronized[T0](arg0: ⇒ T0): T0

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  20. final def wait(): Unit

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    @throws( ... )

  21. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(arg0: Long): Unit

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Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

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