Package io.trino.cost

Class ScalarStatsCalculator

java.lang.Object

io.trino.cost.ScalarStatsCalculator

public class ScalarStatsCalculator
extends Object

Constructor Summary

Constructors

Constructor	Description
ScalarStatsCalculator(PlannerContext plannerContext, IrTypeAnalyzer typeAnalyzer)

Method Summary

Modifier and Type	Method	Description
SymbolStatsEstimate	calculate(Expression scalarExpression, PlanNodeStatsEstimate inputStatistics, Session session, TypeProvider types)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ScalarStatsCalculator

@Inject
public ScalarStatsCalculator(PlannerContext plannerContext,
 IrTypeAnalyzer typeAnalyzer)

Method Details

calculate

public SymbolStatsEstimate calculate(Expression scalarExpression,
 PlanNodeStatsEstimate inputStatistics,
 Session session,
 TypeProvider types)