org.apache.drill.exec.opt

Class IdentityOptimizer

java.lang.Object

org.apache.drill.exec.opt.Optimizer

org.apache.drill.exec.opt.IdentityOptimizer

public class IdentityOptimizer
extends Optimizer

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.opt.Optimizer

Optimizer.OptimizationContext

Field Summary

Fields inherited from class org.apache.drill.exec.opt.Optimizer

OPTIMIZER_IMPL_KEY

Constructor Summary

Constructors

Constructor and Description
IdentityOptimizer()

Method Summary

Modifier and Type	Method and Description
void	init(DrillConfig config)
PhysicalPlan	optimize(Optimizer.OptimizationContext context, LogicalPlan plan)

Methods inherited from class org.apache.drill.exec.opt.Optimizer

getOptimizer

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityOptimizer

public IdentityOptimizer()

Method Detail

init

public void init(DrillConfig config)

Specified by:

init in class Optimizer

optimize

public PhysicalPlan optimize(Optimizer.OptimizationContext context,
                             LogicalPlan plan)

Specified by:

optimize in class Optimizer