Package io.prestosql.cost

Class SemiJoinStatsCalculator

java.lang.Object

io.prestosql.cost.SemiJoinStatsCalculator

public final class SemiJoinStatsCalculator
extends Object

Method Summary

Modifier and Type	Method	Description
static PlanNodeStatsEstimate	computeAntiJoin(PlanNodeStatsEstimate sourceStats, PlanNodeStatsEstimate filteringSourceStats, Symbol sourceJoinSymbol, Symbol filteringSourceJoinSymbol)
static PlanNodeStatsEstimate	computeSemiJoin(PlanNodeStatsEstimate sourceStats, PlanNodeStatsEstimate filteringSourceStats, Symbol sourceJoinSymbol, Symbol filteringSourceJoinSymbol)

Methods inherited from class java.lang.Object

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

Method Detail

computeSemiJoin

public static PlanNodeStatsEstimate computeSemiJoin(PlanNodeStatsEstimate sourceStats,
                                                    PlanNodeStatsEstimate filteringSourceStats,
                                                    Symbol sourceJoinSymbol,
                                                    Symbol filteringSourceJoinSymbol)

computeAntiJoin

public static PlanNodeStatsEstimate computeAntiJoin(PlanNodeStatsEstimate sourceStats,
                                                    PlanNodeStatsEstimate filteringSourceStats,
                                                    Symbol sourceJoinSymbol,
                                                    Symbol filteringSourceJoinSymbol)