Optimizer

Type Members

case class Batch(name: String, strategy: Strategy, rules: Rule[TreeType]*) extends Product with Serializable

A batch of rules.
case class FixedPoint(maxIterations: Int) extends Strategy with Product with Serializable

A strategy that runs until fix point or maxIterations times, whichever comes first.
abstract class Strategy extends AnyRef

An execution strategy for rules that indicates the maximum number of executions.

Value Members

final def !=(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def !=(arg0: Any): Boolean

Definition Classes
Any
final def ##(): Int

Definition Classes
AnyRef → Any
final def ==(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def ==(arg0: Any): Boolean

Definition Classes
Any
object Once extends Strategy with Product with Serializable

A strategy that only runs once.
def apply(plan: LogicalPlan): LogicalPlan

Executes the batches of rules defined by the subclass.
Executes the batches of rules defined by the subclass. The batches are executed serially using the defined execution strategy. Within each batch, rules are also executed serially.

Definition Classes
RuleExecutor
final def asInstanceOf[T0]: T0

Definition Classes
Any
val batches: List[Batch]

Defines a sequence of rule batches, to be overridden by the implementation.
Defines a sequence of rule batches, to be overridden by the implementation.

Definition Classes
Optimizer → RuleExecutor
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(arg0: Any): Boolean

Definition Classes
AnyRef → Any
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def hashCode(): Int

Definition Classes
AnyRef → Any
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
lazy val logger: Logger

Attributes
protected
Definition Classes
Logging
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
final def notifyAll(): Unit

Definition Classes
AnyRef
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toString(): String

Definition Classes
AnyRef → Any
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )

object Optimizer extends RuleExecutor[LogicalPlan]

Type Members

case class Batch(name: String, strategy: Strategy, rules: Rule[TreeType]*) extends Product with Serializable

case class FixedPoint(maxIterations: Int) extends Strategy with Product with Serializable

abstract class Strategy extends AnyRef

Value Members

final def !=(arg0: AnyRef): Boolean

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: AnyRef): Boolean

final def ==(arg0: Any): Boolean

object Once extends Strategy with Product with Serializable

def apply(plan: LogicalPlan): LogicalPlan

final def asInstanceOf[T0]: T0

val batches: List[Batch]

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

lazy val logger: Logger

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

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

def toString(): String

final def wait(): Unit

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

final def wait(arg0: Long): Unit

Inherited from RuleExecutor[LogicalPlan]

Inherited from com.typesafe.scalalogging.slf4j.Logging

Inherited from AnyRef

Inherited from Any

Ungrouped