net.sf.saffron.opt
Class VolcanoPlannerTest.NoneSingleRel
java.lang.Object
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+--net.sf.saffron.rel.SaffronRel
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+--net.sf.saffron.rel.SingleRel
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+--net.sf.saffron.opt.VolcanoPlannerTest.TestSingleRel
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+--net.sf.saffron.opt.VolcanoPlannerTest.NoneSingleRel
- Enclosing class:
- VolcanoPlannerTest
- private static class VolcanoPlannerTest.NoneSingleRel
- extends VolcanoPlannerTest.TestSingleRel
Methods inherited from class net.sf.saffron.rel.SaffronRel |
computeDigest, getChildExps, getCluster, getConvention, getCorrelVariable, getId, getInput, getOrCreateCorrelVariable, getQualifier, getQuery, getRelTypeName, getRowType, getTable, getVariablesStopped, implement, implementFieldAccess, isAccessTo, isDistinct, onRegister, recomputeDigest, register, registerCorrelVariable, setCorrelVariable, toString |
VolcanoPlannerTest.NoneSingleRel
protected VolcanoPlannerTest.NoneSingleRel(VolcanoCluster cluster,
SaffronRel child)
clone
public Object clone()
- Specified by:
clone
in class SaffronRel
computeSelfCost
public PlanCost computeSelfCost(SaffronPlanner planner)
- Description copied from class:
SaffronRel
- Returns the cost of this plan (not including children). The base
implementation throws an error; derived classes should override.
- Overrides:
computeSelfCost
in class SaffronRel
deriveRowType
protected SaffronType deriveRowType()
- Overrides:
deriveRowType
in class SingleRel