com.facebook.presto.sql.planner

Class PlanFragmenter

java.lang.Object

com.facebook.presto.sql.planner.PlanFragmenter

public class PlanFragmenter
extends Object

Splits a logical plan into fragments that can be shipped and executed on distributed nodes

Field Summary

Fields

Modifier and Type	Field and Description
static int	ROOT_FRAGMENT_ID
static String	TOO_MANY_STAGES_MESSAGE

Constructor Summary

Constructors

Constructor and Description
PlanFragmenter(Metadata metadata, NodePartitioningManager nodePartitioningManager, QueryManagerConfig queryManagerConfig, SqlParser sqlParser, FeaturesConfig featuresConfig)

Method Summary

Modifier and Type	Method and Description
SubPlan	createSubPlans(Session session, Plan plan, boolean forceSingleNode, PlanNodeIdAllocator idAllocator, PlanVariableAllocator variableAllocator, WarningCollector warningCollector)
SubPlan	createSubPlans(Session session, Plan plan, boolean forceSingleNode, PlanNodeIdAllocator idAllocator, WarningCollector warningCollector)

Methods inherited from class java.lang.Object

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

Field Detail

ROOT_FRAGMENT_ID

public static final int ROOT_FRAGMENT_ID

See Also:

Constant Field Values

TOO_MANY_STAGES_MESSAGE

public static final String TOO_MANY_STAGES_MESSAGE

See Also:

Constant Field Values

Constructor Detail

PlanFragmenter

@Inject
public PlanFragmenter(Metadata metadata,
                              NodePartitioningManager nodePartitioningManager,
                              QueryManagerConfig queryManagerConfig,
                              SqlParser sqlParser,
                              FeaturesConfig featuresConfig)

Method Detail

createSubPlans

public SubPlan createSubPlans(Session session,
                              Plan plan,
                              boolean forceSingleNode,
                              PlanNodeIdAllocator idAllocator,
                              WarningCollector warningCollector)

createSubPlans

public SubPlan createSubPlans(Session session,
                              Plan plan,
                              boolean forceSingleNode,
                              PlanNodeIdAllocator idAllocator,
                              PlanVariableAllocator variableAllocator,
                              WarningCollector warningCollector)