interface CardinalityEstimation (source)
Cardinality estimation interface.
abstract fun getCardinality(physicalPlan: PhysicalPlan): Long
Given a physical plan, return the cardinality. |
class KPathIndexCardinalityEstimation : CardinalityEstimation |
|
class SynopsisCardinalityEstimation : CardinalityEstimation
Cardinality estimation using a synopsis. |