Package org.apache.calcite.rel.metadata

Interface BuiltInMetadata.LowerBoundCost

All Superinterfaces:

Metadata

Enclosing class:

BuiltInMetadata

public static interface BuiltInMetadata.LowerBoundCost
extends Metadata

Metadata to get the lower bound cost of a RelNode.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	BuiltInMetadata.LowerBoundCost.Handler	Handler API.

Field Summary

Fields

Modifier and Type	Field	Description
static final MetadataDef<BuiltInMetadata.LowerBoundCost>	DEF

Method Summary

Modifier and Type	Method	Description
RelOptCost	getLowerBoundCost(VolcanoPlanner planner)	Returns the lower bound cost of a RelNode.

Methods inherited from interface org.apache.calcite.rel.metadata.Metadata

rel

Field Details

DEF

static final MetadataDef<BuiltInMetadata.LowerBoundCost> DEF

Method Details

getLowerBoundCost

RelOptCost getLowerBoundCost(VolcanoPlanner planner)

Returns the lower bound cost of a RelNode.