Uses of Class
org.apache.pig.newplan.PlanVisitor

Packages that use PlanVisitor

org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans
org.apache.pig.newplan
org.apache.pig.newplan.logical.expression
org.apache.pig.newplan.logical.optimizer
org.apache.pig.newplan.logical.relational
org.apache.pig.newplan.logical.rules
org.apache.pig.newplan.logical.visitor
org.apache.pig.pen
org.apache.pig.pen.util
org.apache.pig.tools.pigstats

Uses of PlanVisitor in org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans with parameters of type PlanVisitor

void	PatternNode.accept(PlanVisitor v)

Uses of PlanVisitor in org.apache.pig.newplan

Subclasses of PlanVisitor in org.apache.pig.newplan

class

PColFilterExtractor This Visitor works on the filter condition of a LOFilter which immediately follows a LOLoad that interacts with a metadata system (currently OWL) to read table data.

Methods in org.apache.pig.newplan with parameters of type PlanVisitor

abstract void	Operator.accept(PlanVisitor v) Accept a visitor at this node in the graph.
void	SubtreeDependencyOrderWalker.walk(PlanVisitor visitor)
void	ReverseDependencyOrderWalkerWOSeenChk.walk(PlanVisitor visitor) Begin traversing the graph.
void	ReverseDependencyOrderWalker.walk(PlanVisitor visitor) Begin traversing the graph.
abstract void	PlanWalker.walk(PlanVisitor visitor) Begin traversing the graph.
void	DepthFirstWalker.walk(PlanVisitor visitor) Begin traversing the graph.
void	DependencyOrderWalker.walk(PlanVisitor visitor) Begin traversing the graph.

Uses of PlanVisitor in org.apache.pig.newplan.logical.expression

Subclasses of PlanVisitor in org.apache.pig.newplan.logical.expression

class	AllSameExpressionVisitor
class	ExpToPhyTranslationVisitor
class	LogicalExpressionVisitor A visitor for expression plans.

Methods in org.apache.pig.newplan.logical.expression with parameters of type PlanVisitor

void	UserFuncExpression.accept(PlanVisitor v)
void	SubtractExpression.accept(PlanVisitor v)
void	ScalarExpression.accept(PlanVisitor v)
void	RegexExpression.accept(PlanVisitor v)
void	ProjectExpression.accept(PlanVisitor v)
void	OrExpression.accept(PlanVisitor v)
void	NotExpression.accept(PlanVisitor v)
void	NotEqualExpression.accept(PlanVisitor v)
void	NegativeExpression.accept(PlanVisitor v)
void	MultiplyExpression.accept(PlanVisitor v)
void	ModExpression.accept(PlanVisitor v)
void	MapLookupExpression.accept(PlanVisitor v)
void	LessThanExpression.accept(PlanVisitor v)
void	LessThanEqualExpression.accept(PlanVisitor v)
void	IsNullExpression.accept(PlanVisitor v)
void	GreaterThanExpression.accept(PlanVisitor v)
void	GreaterThanEqualExpression.accept(PlanVisitor v)
void	EqualExpression.accept(PlanVisitor v)
void	DivideExpression.accept(PlanVisitor v)
void	DereferenceExpression.accept(PlanVisitor v)
void	ConstantExpression.accept(PlanVisitor v)
void	CastExpression.accept(PlanVisitor v)
void	BinCondExpression.accept(PlanVisitor v)
void	AndExpression.accept(PlanVisitor v)
void	AddExpression.accept(PlanVisitor v)

Uses of PlanVisitor in org.apache.pig.newplan.logical.optimizer

Subclasses of PlanVisitor in org.apache.pig.newplan.logical.optimizer

class	AllExpressionVisitor A visitor that walks a logical plan and then applies a given LogicalExpressionVisitor to all expressions it encounters.
class	AllSameRalationalNodesVisitor A visitor that walks the logical plan and calls the same method on every type of node.
class	DanglingNestedNodeRemover
class	LogicalPlanPrinter A visitor mechanism printing out the logical plan.
static class	ProjectionPatcher.ProjectionFinder
class	SchemaResetter
class	UidResetter

Uses of PlanVisitor in org.apache.pig.newplan.logical.relational

Subclasses of PlanVisitor in org.apache.pig.newplan.logical.relational

class	LogicalRelationalNodesVisitor A visitor for logical plans.
class	LogToPhyTranslationVisitor

Methods in org.apache.pig.newplan.logical.relational with parameters of type PlanVisitor

void	LOUnion.accept(PlanVisitor v)
void	LOStream.accept(PlanVisitor v)
void	LOStore.accept(PlanVisitor v)
void	LOSplitOutput.accept(PlanVisitor v)
void	LOSplit.accept(PlanVisitor v)
void	LOSort.accept(PlanVisitor v)
void	LONative.accept(PlanVisitor v)
void	LOLoad.accept(PlanVisitor v)
void	LOLimit.accept(PlanVisitor v)
void	LOJoin.accept(PlanVisitor v)
void	LOInnerLoad.accept(PlanVisitor v)
void	LOGenerate.accept(PlanVisitor v)
void	LOForEach.accept(PlanVisitor v)
void	LOFilter.accept(PlanVisitor v)
void	LODistinct.accept(PlanVisitor v)
void	LOCross.accept(PlanVisitor v)
void	LOCogroup.accept(PlanVisitor v)

Uses of PlanVisitor in org.apache.pig.newplan.logical.rules

Subclasses of PlanVisitor in org.apache.pig.newplan.logical.rules

class	ColumnPruneVisitor
static class	MapKeysPruneHelper.FullMapCollector
static class	MapKeysPruneHelper.MapMarker This class collects all the information required to create the list of keys required for a map

Uses of PlanVisitor in org.apache.pig.newplan.logical.visitor

Subclasses of PlanVisitor in org.apache.pig.newplan.logical.visitor

class	CastLineageSetter Find uid lineage information.
class	ColumnAliasConversionVisitor Logical plan visitor which will convert all column alias references to column indexes, using the underlying anonymous expression plan visitor.
class	LineageFindRelVisitor Create mapping between uid and Load FuncSpec when the LogicalExpression associated with it is known to hold an unmodified element of data returned by the load function.
class	ProjectStarExpander A visitor to walk operators that contain a nested plan and translate project( * ) operators to a list of projection operators, i.e., project( * ) -> project(0), project(1), ...
class	ProjStarInUdfExpander Expand project-star or project-range when used as udf argument.
class	ScalarVisitor Logical plan visitor which handles scalar projections.
class	SchemaAliasVisitor
class	SortInfoSetter
class	StoreAliasSetter
class	TypeCheckingExpVisitor
class	TypeCheckingRelVisitor
class	UDFFinder
class	UnionOnSchemaSetter A visitor that modifies the logical plan (if necessary) for union-onschema functionality.

Uses of PlanVisitor in org.apache.pig.pen

Subclasses of PlanVisitor in org.apache.pig.pen

class	AugmentBaseDataVisitor
class	LineageTrimmingVisitor
class	POOptimizeDisabler

Uses of PlanVisitor in org.apache.pig.pen.util

Methods in org.apache.pig.pen.util with parameters of type PlanVisitor

void	PreOrderDepthFirstWalker.walk(PlanVisitor visitor) Begin traversing the graph.

Uses of PlanVisitor in org.apache.pig.tools.pigstats

Methods in org.apache.pig.tools.pigstats with parameters of type PlanVisitor

void	JobStats.accept(PlanVisitor v)