Package org.apache.calcite.rel.rules

Interface LoptOptimizeJoinRule.CostFunction

Enclosing class:

LoptOptimizeJoinRule

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface LoptOptimizeJoinRule.CostFunction

Function to compute cost.

Method Summary

Modifier and Type	Method	Description
@Nullable RelOptCost	getCost(RelOptRuleCall call, RelNode relNode)

Method Details

getCost

@Nullable RelOptCost getCost(RelOptRuleCall call,
 RelNode relNode)