Uses of Package
org.apache.pig.impl.plan

Packages that use org.apache.pig.impl.plan

Package	Description
org.apache.pig.backend.executionengine
org.apache.pig.backend.hadoop.executionengine
org.apache.pig.backend.hadoop.executionengine.fetch
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans
org.apache.pig.backend.hadoop.executionengine.physicalLayer	Implementation of physical operators that use hadoop as the execution engine and data storage.
org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators
org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
org.apache.pig.backend.hadoop.executionengine.physicalLayer.util
org.apache.pig.backend.hadoop.executionengine.tez
org.apache.pig.backend.hadoop.executionengine.tez.plan
org.apache.pig.backend.hadoop.executionengine.tez.plan.operator
org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer
org.apache.pig.backend.hadoop.executionengine.tez.util
org.apache.pig.backend.hadoop.executionengine.util
org.apache.pig.data	This package contains implementations of Pig specific data types as well as support functions for reading, writing, and using all Pig data types.
org.apache.pig.impl.logicalLayer.validators
org.apache.pig.impl.plan
org.apache.pig.impl.plan.optimizer
org.apache.pig.impl.util
org.apache.pig.newplan.logical.expression
org.apache.pig.newplan.logical.optimizer
org.apache.pig.newplan.logical.relational
org.apache.pig.newplan.logical.visitor
org.apache.pig.pen
org.apache.pig.tools.pigstats
org.apache.pig.tools.pigstats.tez

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.executionengine

Class and Description
PlanException
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine

Class and Description
OperatorKey
PlanException
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.fetch

Class and Description
PlanException
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Class and Description
CompilationMessageCollector This class is used for collecting all messages (error + warning) in compilation process.
NodeIdGenerator Generates IDs as long values in a thread safe manner.
Operator Base class for all types of operators.
OperatorKey
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans

Class and Description
DotPlanDumper This class puts everything that is needed to dump a plan in a format readable by graphviz's dot algorithm.
Operator Base class for all types of operators.
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.
PlanDumper This class dumps a nested plan to a print stream.
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.physicalLayer

Class and Description
Operator Base class for all types of operators.
OperatorKey
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators

Class and Description
Operator Base class for all types of operators.
OperatorKey
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.physicalLayer.plans

Class and Description
DotPlanDumper This class puts everything that is needed to dump a plan in a format readable by graphviz's dot algorithm.
Operator Base class for all types of operators.
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.
PlanDumper This class dumps a nested plan to a print stream.
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators

Class and Description
Operator Base class for all types of operators.
OperatorKey
PlanException
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.physicalLayer.util

Class and Description
OperatorKey
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.tez

Class and Description
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.tez.plan

Class and Description
Operator Base class for all types of operators.
OperatorKey
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.tez.plan.operator

Class and Description
NodeIdGenerator Generates IDs as long values in a thread safe manner.
Operator Base class for all types of operators.
OperatorKey
PlanException
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.tez.plan.optimizer

Class and Description
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.tez.util

Class and Description
NodeIdGenerator Generates IDs as long values in a thread safe manner.
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.backend.hadoop.executionengine.util

Class and Description
CompilationMessageCollector This class is used for collecting all messages (error + warning) in compilation process.
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.data

Class and Description
OperatorKey

Classes in org.apache.pig.impl.plan used by org.apache.pig.impl.logicalLayer.validators

Class and Description
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.impl.plan

Class and Description
CompilationMessageCollector This class is used for collecting all messages (error + warning) in compilation process.
CompilationMessageCollector.Message
CompilationMessageCollector.MessageType
CompilationMessageCollector.Unknown
MapKeysInfo
NodeIdGenerator Generates IDs as long values in a thread safe manner.
Operator Base class for all types of operators.
OperatorKey
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.
PlanDumper This class dumps a nested plan to a print stream.
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
PlanWalker PlanWalker encapsulates the logic to traverse a plan.
ProjectionMap A struct detailing how a projection is altered by an operator.
ProjectionMap.Column A wrapper for projection map columns to contain the input number, input column.
RequiredFields A struct detailing how a projection is altered by an operator.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.impl.plan.optimizer

Class and Description
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.impl.util

Class and Description
PlanException
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.newplan.logical.expression

Class and Description
NodeIdGenerator Generates IDs as long values in a thread safe manner.

Classes in org.apache.pig.impl.plan used by org.apache.pig.newplan.logical.optimizer

Class and Description
PlanValidationException

Classes in org.apache.pig.impl.plan used by org.apache.pig.newplan.logical.relational

Class and Description
NodeIdGenerator Generates IDs as long values in a thread safe manner.

Classes in org.apache.pig.impl.plan used by org.apache.pig.newplan.logical.visitor

Class and Description
CompilationMessageCollector This class is used for collecting all messages (error + warning) in compilation process.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.pen

Class and Description
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.tools.pigstats

Class and Description
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.
PlanVisitor A visitor mechanism for navigating and operating on a plan of Operators.
VisitorException

Classes in org.apache.pig.impl.plan used by org.apache.pig.tools.pigstats.tez

Class and Description
OperatorPlan A generic graphing class for use by LogicalPlan, PhysicalPlan, etc.