com.facebook.presto.sql.planner

Class CanonicalPlanGenerator

java.lang.Object

com.facebook.presto.spi.plan.PlanVisitor<R,C>

com.facebook.presto.sql.planner.plan.InternalPlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

com.facebook.presto.sql.planner.CanonicalPlanGenerator

public class CanonicalPlanGenerator
extends InternalPlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

Constructor Summary

Constructors

Constructor and Description
CanonicalPlanGenerator()

Method Summary

Modifier and Type	Method and Description
static Optional<CanonicalPlanFragment>	generateCanonicalPlan(PlanNode root, PartitioningScheme partitioningScheme)
Optional<PlanNode>	visitAggregation(AggregationNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitFilter(FilterNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitGroupId(GroupIdNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitPlan(PlanNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitProject(ProjectNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitTableScan(TableScanNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)
Optional<PlanNode>	visitUnnest(UnnestNode node, Map<VariableReferenceExpression,VariableReferenceExpression> context)

Methods inherited from class com.facebook.presto.sql.planner.plan.InternalPlanVisitor

visitApply, visitAssignUniqueId, visitCanonicalTableScan, visitDelete, visitEnforceSingleRow, visitExchange, visitExplainAnalyze, visitGroupReference, visitIndexJoin, visitIndexSource, visitJoin, visitLateralJoin, visitMetadataDelete, visitOffset, visitOutput, visitRemoteSource, visitRowNumber, visitSample, visitSemiJoin, visitSort, visitSpatialJoin, visitStatisticsWriterNode, visitTableFinish, visitTableWriteMerge, visitTableWriter, visitTopNRowNumber, visitWindow

Methods inherited from class com.facebook.presto.spi.plan.PlanVisitor

visitDistinctLimit, visitExcept, visitIntersect, visitLimit, visitMarkDistinct, visitTopN, visitUnion, visitValues

Methods inherited from class java.lang.Object

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

Constructor Detail

CanonicalPlanGenerator

public CanonicalPlanGenerator()

Method Detail

generateCanonicalPlan

public static Optional<CanonicalPlanFragment> generateCanonicalPlan(PlanNode root,
                                                                    PartitioningScheme partitioningScheme)

visitPlan

public Optional<PlanNode> visitPlan(PlanNode node,
                                    Map<VariableReferenceExpression,VariableReferenceExpression> context)

Specified by:

visitPlan in class PlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitAggregation

public Optional<PlanNode> visitAggregation(AggregationNode node,
                                           Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitAggregation in class PlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitGroupId

public Optional<PlanNode> visitGroupId(GroupIdNode node,
                                       Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitGroupId in class InternalPlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitUnnest

public Optional<PlanNode> visitUnnest(UnnestNode node,
                                      Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitUnnest in class InternalPlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitProject

public Optional<PlanNode> visitProject(ProjectNode node,
                                       Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitProject in class PlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitFilter

public Optional<PlanNode> visitFilter(FilterNode node,
                                      Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitFilter in class PlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>

visitTableScan

public Optional<PlanNode> visitTableScan(TableScanNode node,
                                         Map<VariableReferenceExpression,VariableReferenceExpression> context)

Overrides:

visitTableScan in class PlanVisitor<Optional<PlanNode>,Map<VariableReferenceExpression,VariableReferenceExpression>>