org.apache.calcite.rel.rules

Class LoptSemiJoinOptimizer.FactorCostComparator

java.lang.Object

org.apache.calcite.rel.rules.LoptSemiJoinOptimizer.FactorCostComparator

All Implemented Interfaces:

Comparator<Integer>

Enclosing class:

LoptSemiJoinOptimizer

private class LoptSemiJoinOptimizer.FactorCostComparator
extends Object
implements Comparator<Integer>

Compares factors.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	FactorCostComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Integer rel1Idx, Integer rel2Idx)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

FactorCostComparator

private FactorCostComparator()

Method Detail

compare

public int compare(Integer rel1Idx,
                   Integer rel2Idx)

Specified by:

compare in interface Comparator<Integer>