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abstract class RuleExecutor[TreeType <: TreeNode[_]] extends Logging

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Instance Constructors

  1. new RuleExecutor()

Type Members

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

    A batch of rules.

    A batch of rules.

    Attributes
    protected[catalyst]
  2. case class FixedPoint(maxIterations: Int, errorOnExceed: Boolean = false, maxIterationsSetting: String = null) extends Strategy with Product with Serializable

    A strategy that runs until fix point or maxIterations times, whichever comes first.

    A strategy that runs until fix point or maxIterations times, whichever comes first. Especially, a FixedPoint(1) batch is supposed to run only once.

  3. implicit class LogStringContext extends AnyRef
    Definition Classes
    Logging
  4. abstract class Strategy extends AnyRef

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

    An execution strategy for rules that indicates the maximum number of executions. If the execution reaches fix point (i.e. converge) before maxIterations, it will stop.

Abstract Value Members

  1. abstract def batches: Seq[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.

    Attributes
    protected

Concrete 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(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
  6. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  7. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  8. val excludedOnceBatches: Set[String]

    Once batches that are excluded in the idempotence checker

    Once batches that are excluded in the idempotence checker

    Attributes
    protected
  9. def execute(plan: TreeType): TreeType

    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.

  10. def executeAndTrack(plan: TreeType, tracker: QueryPlanningTracker): TreeType

    Executes the batches of rules defined by the subclass, and also tracks timing info for each rule using the provided tracker.

    Executes the batches of rules defined by the subclass, and also tracks timing info for each rule using the provided tracker.

    See also

    execute

  11. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  12. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  13. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  14. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  15. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  16. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  17. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  18. def logDebug(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  19. def logDebug(entry: LogEntry, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  20. def logDebug(entry: LogEntry): Unit
    Attributes
    protected
    Definition Classes
    Logging
  21. def logDebug(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  22. def logError(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  23. def logError(entry: LogEntry, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  24. def logError(entry: LogEntry): Unit
    Attributes
    protected
    Definition Classes
    Logging
  25. def logError(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  26. def logInfo(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  27. def logInfo(entry: LogEntry, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  28. def logInfo(entry: LogEntry): Unit
    Attributes
    protected
    Definition Classes
    Logging
  29. def logInfo(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  30. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  31. def logTrace(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  32. def logTrace(entry: LogEntry, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  33. def logTrace(entry: LogEntry): Unit
    Attributes
    protected
    Definition Classes
    Logging
  34. def logTrace(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  35. def logWarning(msg: => String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  36. def logWarning(entry: LogEntry, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  37. def logWarning(entry: LogEntry): Unit
    Attributes
    protected
    Definition Classes
    Logging
  38. def logWarning(msg: => String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  39. def name: String

    Name for this rule executor, automatically inferred based on class name.

    Name for this rule executor, automatically inferred based on class name.

    Attributes
    protected
  40. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  41. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  42. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  43. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  44. def toString(): String
    Definition Classes
    AnyRef → Any
  45. def validatePlanChanges(previousPlan: TreeType, currentPlan: TreeType): Option[String]

    Defines a validate function that validates the plan changes after the execution of each rule, to make sure these rules make valid changes to the plan.

    Defines a validate function that validates the plan changes after the execution of each rule, to make sure these rules make valid changes to the plan. For example, we can check whether a plan is still resolved after each rule in Optimizer, so that we can catch rules that turn the plan into unresolved.

    Attributes
    protected
  46. def validatePlanChangesLightweight(previousPlan: TreeType, currentPlan: TreeType): Option[String]

    Defines a validate function that validates the plan changes after the execution of each rule, to make sure these rules make valid changes to the plan.

    Defines a validate function that validates the plan changes after the execution of each rule, to make sure these rules make valid changes to the plan. Since this is enabled by default, this should only consist of very lightweight checks.

    Attributes
    protected
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  49. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  50. def withLogContext(context: Map[String, String])(body: => Unit): Unit
    Attributes
    protected
    Definition Classes
    Logging
  51. case object Once extends Strategy with Product with Serializable

    A strategy that is run once and idempotent.

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

Inherited from Logging

Inherited from AnyRef

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