Package org.apache.calcite.plan.volcano

Class VolcanoPlannerTraitTest.TestLeafRel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.plan.volcano.VolcanoPlannerTraitTest.TestLeafRel

All Implemented Interfaces:

java.lang.Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode

Direct Known Subclasses:

VolcanoPlannerTraitTest.IterMergedRel, VolcanoPlannerTraitTest.NoneLeafRel, VolcanoPlannerTraitTest.PhysLeafRel

Enclosing class:

VolcanoPlannerTraitTest

private abstract static class VolcanoPlannerTraitTest.TestLeafRel
extends org.apache.calcite.rel.AbstractRelNode

A relational expression with zero inputs.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.String	label

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TestLeafRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, java.lang.String label)

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
protected org.apache.calcite.rel.type.RelDataType	deriveRowType()
org.apache.calcite.rel.RelWriter	explainTerms(org.apache.calcite.rel.RelWriter pw)
java.lang.String	getLabel()

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, copy, estimateRowCount, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, sole, toString

Methods inherited from class java.lang.Object

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

Field Detail

label

private java.lang.String label

Constructor Detail

TestLeafRel

protected TestLeafRel(org.apache.calcite.plan.RelOptCluster cluster,
                      org.apache.calcite.plan.RelTraitSet traits,
                      java.lang.String label)

Method Detail

getLabel

public java.lang.String getLabel()

computeSelfCost

public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

computeSelfCost in interface org.apache.calcite.rel.RelNode

Overrides:

computeSelfCost in class org.apache.calcite.rel.AbstractRelNode

deriveRowType

protected org.apache.calcite.rel.type.RelDataType deriveRowType()

Overrides:

deriveRowType in class org.apache.calcite.rel.AbstractRelNode

explainTerms

public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)

Overrides:

explainTerms in class org.apache.calcite.rel.AbstractRelNode