Package org.apache.iotdb.db.mpp.plan.planner.distribution

Class DistributionPlanner

java.lang.Object

org.apache.iotdb.db.mpp.plan.planner.distribution.DistributionPlanner

public class DistributionPlanner
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
DistributionPlanner(Analysis analysis, LogicalQueryPlan logicalPlan)

Method Summary

Modifier and Type	Method	Description
PlanNode	addExchangeNode(PlanNode root)
java.util.List<FragmentInstance>	planFragmentInstances(SubPlan subPlan)
DistributedQueryPlan	planFragments()
PlanNode	rewriteSource()
void	SetSinkForRootInstance(SubPlan subPlan, java.util.List<FragmentInstance> instances)
SubPlan	splitFragment(PlanNode root)

Methods inherited from class java.lang.Object

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

Constructor Detail

DistributionPlanner

public DistributionPlanner(Analysis analysis,
                           LogicalQueryPlan logicalPlan)

Method Detail

rewriteSource

public PlanNode rewriteSource()

addExchangeNode

public PlanNode addExchangeNode(PlanNode root)

splitFragment

public SubPlan splitFragment(PlanNode root)

planFragments

public DistributedQueryPlan planFragments()

planFragmentInstances

public java.util.List<FragmentInstance> planFragmentInstances(SubPlan subPlan)

SetSinkForRootInstance

public void SetSinkForRootInstance(SubPlan subPlan,
                                   java.util.List<FragmentInstance> instances)