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org.apache.spark.sql.execution.adaptive

AdaptiveRulesHolder

class AdaptiveRulesHolder extends AnyRef

A holder to warp the SQL extension rules of adaptive query execution.

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Instance Constructors

  1. new AdaptiveRulesHolder(queryStagePrepRules: Seq[Rule[SparkPlan]], runtimeOptimizerRules: Seq[Rule[LogicalPlan]], queryStageOptimizerRules: Seq[Rule[SparkPlan]], queryPostPlannerStrategyRules: Seq[Rule[SparkPlan]])

    queryStagePrepRules

    applied before creation of query stages

    runtimeOptimizerRules

    applied to tune logical plan based on the runtime statistics of query stage

    queryStageOptimizerRules

    applied to a new query stage before its execution. It makes sure all children query stages are materialized

    queryPostPlannerStrategyRules

    applied between plannerStrategy and queryStagePrepRules, so it can get the whole plan before injecting exchanges.

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  15. val queryPostPlannerStrategyRules: Seq[Rule[SparkPlan]]
  16. val queryStageOptimizerRules: Seq[Rule[SparkPlan]]
  17. val queryStagePrepRules: Seq[Rule[SparkPlan]]
  18. val runtimeOptimizerRules: Seq[Rule[LogicalPlan]]
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