TopNRankingStatsRule (trino-main 460 API)

java.lang.Object

io.trino.cost.SimpleStatsRule<TopNRankingNode>

io.trino.cost.TopNRankingStatsRule

All Implemented Interfaces:: ComposableStatsCalculator.Rule<TopNRankingNode>

public class TopNRankingStatsRule extends SimpleStatsRule<TopNRankingNode>

Stats rule for TopNRankingNode.

Constructor Summary

Constructors

Constructor

Description

TopNRankingStatsRule(StatsNormalizer normalizer)
Method Summary

Modifier and Type

Method

Description

Optional<PlanNodeStatsEstimate>

doCalculate(TopNRankingNode node, StatsCalculator.Context context)

Pattern<TopNRankingNode>

getPattern()

Methods inherited from class io.trino.cost.SimpleStatsRule
calculate

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- TopNRankingStatsRule
  
  public TopNRankingStatsRule(StatsNormalizer normalizer)
Method Details
- getPattern
  
  public Pattern<TopNRankingNode> getPattern()
- doCalculate
  
  public Optional<PlanNodeStatsEstimate> doCalculate(TopNRankingNode node, StatsCalculator.Context context)
  
  Specified by:
  
  doCalculate in class SimpleStatsRule<TopNRankingNode>