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

Class WriteFragmentParallelPlanner

java.lang.Object

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

All Implemented Interfaces:

IFragmentParallelPlaner

public class WriteFragmentParallelPlanner
extends java.lang.Object
implements IFragmentParallelPlaner

Constructor Summary

Constructors

Constructor	Description
WriteFragmentParallelPlanner(SubPlan subPlan, Analysis analysis, MPPQueryContext queryContext)

Method Summary

Modifier and Type	Method	Description
java.util.List<FragmentInstance>	parallelPlan()	The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream

Methods inherited from class java.lang.Object

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

Constructor Detail

WriteFragmentParallelPlanner

public WriteFragmentParallelPlanner(SubPlan subPlan,
                                    Analysis analysis,
                                    MPPQueryContext queryContext)

Method Detail

parallelPlan

public java.util.List<FragmentInstance> parallelPlan()

Description copied from interface: IFragmentParallelPlaner

The relation between each PlanFragment is necessary because sometimes we need to change the source/sink for each FragmentInstance according to its upstream/downstream

Specified by:

parallelPlan in interface IFragmentParallelPlaner

Returns:

All the FragmentInstances which can run in parallel