org.eigenbase.relopt.volcano
Class VolcanoPlannerTraitTest.PhysLeafRel

java.lang.Object
  org.eigenbase.rel.AbstractRelNode
      org.eigenbase.relopt.volcano.VolcanoPlannerTraitTest.TestLeafRel
          org.eigenbase.relopt.volcano.VolcanoPlannerTraitTest.PhysLeafRel

All Implemented Interfaces:

Cloneable, RelNode

Enclosing class:

VolcanoPlannerTraitTest

private static class VolcanoPlannerTraitTest.PhysLeafRel
extends VolcanoPlannerTraitTest.TestLeafRel

Field Summary

Fields inherited from class org.eigenbase.rel.AbstractRelNode

digest, id, rowType, traits

Fields inherited from interface org.eigenbase.rel.RelNode

emptyArray

Constructor Summary

VolcanoPlannerTraitTest.PhysLeafRel(RelOptCluster cluster, String label)

Method Summary

RelOptCost

computeSelfCost(RelOptPlanner planner) Returns the cost of this plan (not including children).

Methods inherited from class org.eigenbase.relopt.volcano.VolcanoPlannerTraitTest.TestLeafRel

clone, deriveRowType, explain, getLabel

Methods inherited from class org.eigenbase.rel.AbstractRelNode

childrenAccept, cloneTraits, collectVariablesSet, collectVariablesUsed, computeDigest, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getOrCreateCorrelVariable, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraits, getVariablesStopped, inheritTraitsFrom, isAccessTo, isDistinct, isValid, onRegister, recomputeDigest, register, registerCorrelVariable, replaceInput, setCorrelVariable, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

VolcanoPlannerTraitTest.PhysLeafRel

VolcanoPlannerTraitTest.PhysLeafRel(RelOptCluster cluster,
                                    String label)

Method Detail

computeSelfCost

public RelOptCost computeSelfCost(RelOptPlanner planner)

Description copied from interface: RelNode

Returns the cost of this plan (not including children). The base implementation throws an error; derived classes should override.

NOTE jvs 29-Mar-2006: Don't call this method directly. Instead, use RelMetadataQuery.getNonCumulativeCost(org.eigenbase.rel.RelNode), which gives plugins a chance to override the rel's default ideas about cost.

Specified by:

computeSelfCost in interface RelNode

Overrides:

computeSelfCost in class VolcanoPlannerTraitTest.TestLeafRel