SparkStrategy — Base for Execution Planning Strategies¶
SparkPlanner and extraPlanningStrategies¶
Strategy Type Alias¶
SparkStrategy is used for
Strategy type alias (type synonym) in Spark's code base that is defined in org.apache.spark.sql package object.
type Strategy = SparkStrategy
PlanLater Leaf Physical Operator¶
PlanLater physical operator that is used as a marker operator to be planned later.
PlanLater cannot be executed and, when requested to execute (using
doExecute), simply throws an
planLater( plan: LogicalPlan): SparkPlan