Uses of Package
org.apache.pig

Packages that use org.apache.pig

org.apache.hadoop.zebra.pig	Implementation of PIG Storer/Loader Interfaces
org.apache.pig	Public interfaces and classes for Pig.
org.apache.pig.backend
org.apache.pig.backend.datastorage
org.apache.pig.backend.executionengine
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
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.relationalOperators
org.apache.pig.backend.hadoop.executionengine.physicalLayer.util
org.apache.pig.backend.hadoop.hbase
org.apache.pig.builtin	This package contains builtin Pig UDFs.
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
org.apache.pig.impl.builtin
org.apache.pig.impl.io
org.apache.pig.impl.logicalLayer	The logical operators that represent a pig script and tools for manipulating those operators.
org.apache.pig.impl.logicalLayer.schema
org.apache.pig.impl.logicalLayer.validators
org.apache.pig.impl.plan
org.apache.pig.impl.plan.optimizer
org.apache.pig.impl.streaming
org.apache.pig.impl.util
org.apache.pig.newplan
org.apache.pig.newplan.logical.expression
org.apache.pig.newplan.logical.relational
org.apache.pig.newplan.logical.visitor
org.apache.pig.parser
org.apache.pig.pen
org.apache.pig.piggybank.evaluation
org.apache.pig.piggybank.evaluation.datetime
org.apache.pig.piggybank.evaluation.datetime.convert
org.apache.pig.piggybank.evaluation.datetime.diff
org.apache.pig.piggybank.evaluation.datetime.truncate
org.apache.pig.piggybank.evaluation.decode
org.apache.pig.piggybank.evaluation.math
org.apache.pig.piggybank.evaluation.string
org.apache.pig.piggybank.evaluation.util
org.apache.pig.piggybank.evaluation.util.apachelogparser
org.apache.pig.piggybank.storage
org.apache.pig.piggybank.storage.allloader
org.apache.pig.piggybank.storage.apachelog
org.apache.pig.piggybank.storage.avro
org.apache.pig.piggybank.storage.partition
org.apache.pig.scripting.js
org.apache.pig.scripting.jython
org.apache.pig.tools
org.apache.pig.tools.grunt

Classes in org.apache.pig used by org.apache.hadoop.zebra.pig

CollectableLoadFunc
This interface implemented by a LoadFunc implementations indicates to Pig that it has the capability to load data such that all instances of a key will occur in same split.

Expression
A class to communicate Filter expressions to LoadFuncs.

IndexableLoadFunc
This class is intended for use by LoadFunc implementations which have an internal index for sorted data and can use the index to support merge join in Pig.

LoadFunc
A LoadFunc loads data into Pig.

LoadMetadata
This interface defines how to retrieve metadata related to data to be loaded.

LoadPushDown
This interface defines how to communicate to Pig what functionality can be pushed into the loader.

LoadPushDown.OperatorSet
Set of possible operations that Pig can push down to a loader.

LoadPushDown.RequiredFieldList
List of fields that Pig knows to be required to executed a script.

LoadPushDown.RequiredFieldResponse
Indicates whether the loader will return the requested fields or all fields.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

StoreFunc
StoreFuncs take records from Pig's processing and store them into a data store.

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

StoreMetadata
This interface defines how to write metadata related to data to be stored.

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

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

ExecType
The type of query execution

Expression
A class to communicate Filter expressions to LoadFuncs.

Expression.OpType

FileSplitComparable
This class represents a relative position in a file.

FuncSpec
Class to represent a UDF specification.

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

LoadPushDown.OperatorSet
Set of possible operations that Pig can push down to a loader.

LoadPushDown.RequiredField
Describes a field that is required to execute a scripts.

LoadPushDown.RequiredFieldList
List of fields that Pig knows to be required to executed a script.

LoadPushDown.RequiredFieldResponse
Indicates whether the loader will return the requested fields or all fields.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

PigCounters
The following enum will contain the general counters that pig uses.

PigServer.Graph

PigWarning
An enum to enumerate the warning types in Pig

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceSchema.Order

ResourceSchema.ResourceFieldSchema

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

ResourceStatistics.ResourceFieldStatistics
Statistics for a given field in the data.

SortColInfo
A class representing information about a sort column in SortInfo

SortColInfo.Order

SortInfo
Class to communicate sort column information based on order by statment's sort columns and schema

StoreCaster
An interface that provides methods for converting Pig internal types to byte[].

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

Classes in org.apache.pig used by org.apache.pig.backend

PigException
All exceptions in Pig are encapsulated in the PigException class.

Classes in org.apache.pig used by org.apache.pig.backend.datastorage

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

PigException
All exceptions in Pig are encapsulated in the PigException class.

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

ComparisonFunc
Deprecated.

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

ResourceSchema.ResourceFieldSchema

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

FuncSpec
Class to represent a UDF specification.

LoadFunc
A LoadFunc loads data into Pig.

SortInfo
Class to communicate sort column information based on order by statment's sort columns and schema

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

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

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Classes in org.apache.pig used by org.apache.pig.backend.hadoop.hbase

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

LoadPushDown
This interface defines how to communicate to Pig what functionality can be pushed into the loader.

LoadPushDown.OperatorSet
Set of possible operations that Pig can push down to a loader.

LoadPushDown.RequiredFieldList
List of fields that Pig knows to be required to executed a script.

LoadPushDown.RequiredFieldResponse
Indicates whether the loader will return the requested fields or all fields.

LoadStoreCaster
This is just a union interface of LoadCaster and StoreCaster, made available for simplicity.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceSchema.ResourceFieldSchema

StoreCaster
An interface that provides methods for converting Pig internal types to byte[].

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

Classes in org.apache.pig used by org.apache.pig.builtin

Accumulator
An interface that allows UDFs that take a bag to accumulate tuples in chunks rather than take the whole set at once.

Algebraic
An interface to declare that an EvalFunc's calculation can be decomposed into intitial, intermediate, and final steps.

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Expression
A class to communicate Filter expressions to LoadFuncs.

FileInputLoadFunc
This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class

FilterFunc

FuncSpec
Class to represent a UDF specification.

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

LoadMetadata
This interface defines how to retrieve metadata related to data to be loaded.

LoadPushDown
This interface defines how to communicate to Pig what functionality can be pushed into the loader.

LoadPushDown.OperatorSet
Set of possible operations that Pig can push down to a loader.

LoadPushDown.RequiredFieldList
List of fields that Pig knows to be required to executed a script.

LoadPushDown.RequiredFieldResponse
Indicates whether the loader will return the requested fields or all fields.

LoadStoreCaster
This is just a union interface of LoadCaster and StoreCaster, made available for simplicity.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

PigToStream
The interface used for the custom mapping of a Tuple to a byte array.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceSchema.ResourceFieldSchema

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

StoreCaster
An interface that provides methods for converting Pig internal types to byte[].

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

StreamToPig
The interface is used for the custom mapping of a byte array, received from the stdout of the streaming process, to a Tuple.

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

ResourceSchema.ResourceFieldSchema

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

ExecType
The type of query execution

FuncSpec
Class to represent a UDF specification.

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

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

IndexableLoadFunc
This class is intended for use by LoadFunc implementations which have an internal index for sorted data and can use the index to support merge join in Pig.

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

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

ExecType
The type of query execution

Expression
A class to communicate Filter expressions to LoadFuncs.

FileInputLoadFunc
This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class

FuncSpec
Class to represent a UDF specification.

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

LoadMetadata
This interface defines how to retrieve metadata related to data to be loaded.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

Classes in org.apache.pig used by org.apache.pig.impl.logicalLayer.schema

PigException
All exceptions in Pig are encapsulated in the PigException class.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

PigToStream
The interface used for the custom mapping of a Tuple to a byte array.

StreamToPig
The interface is used for the custom mapping of a byte array, received from the stdout of the streaming process, to a Tuple.

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

FileInputLoadFunc
This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class

FuncSpec
Class to represent a UDF specification.

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

PigException
All exceptions in Pig are encapsulated in the PigException class.

PigWarning
An enum to enumerate the warning types in Pig

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceSchema.ResourceFieldSchema

Classes in org.apache.pig used by org.apache.pig.newplan

Expression
A class to communicate Filter expressions to LoadFuncs.

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

FuncSpec
Class to represent a UDF specification.

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

FuncSpec
Class to represent a UDF specification.

LoadFunc
A LoadFunc loads data into Pig.

SortInfo
Class to communicate sort column information based on order by statment's sort columns and schema

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

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

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.parser

PigException
All exceptions in Pig are encapsulated in the PigException class.

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

PigException
All exceptions in Pig are encapsulated in the PigException class.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation

Accumulator
An interface that allows UDFs that take a bag to accumulate tuples in chunks rather than take the whole set at once.

Algebraic
An interface to declare that an EvalFunc's calculation can be decomposed into intitial, intermediate, and final steps.

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.datetime

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.datetime.convert

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.datetime.diff

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.datetime.truncate

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.decode

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.math

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.string

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.util

Algebraic
An interface to declare that an EvalFunc's calculation can be decomposed into intitial, intermediate, and final steps.

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.util.apachelogparser

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.storage

Expression
A class to communicate Filter expressions to LoadFuncs.

FileInputLoadFunc
This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class

LoadCaster
An interface that provides cast implementations for load functions.

LoadFunc
A LoadFunc loads data into Pig.

LoadMetadata
This interface defines how to retrieve metadata related to data to be loaded.

LoadPushDown
This interface defines how to communicate to Pig what functionality can be pushed into the loader.

LoadPushDown.OperatorSet
Set of possible operations that Pig can push down to a loader.

LoadPushDown.RequiredFieldList
List of fields that Pig knows to be required to executed a script.

LoadPushDown.RequiredFieldResponse
Indicates whether the loader will return the requested fields or all fields.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

StoreFunc
StoreFuncs take records from Pig's processing and store them into a data store.

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

StoreMetadata
This interface defines how to write metadata related to data to be stored.

Classes in org.apache.pig used by org.apache.pig.piggybank.storage.allloader

FuncSpec
Class to represent a UDF specification.

Classes in org.apache.pig used by org.apache.pig.piggybank.storage.apachelog

LoadFunc
A LoadFunc loads data into Pig.

Classes in org.apache.pig used by org.apache.pig.piggybank.storage.avro

Expression
A class to communicate Filter expressions to LoadFuncs.

FileInputLoadFunc
This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class

LoadFunc
A LoadFunc loads data into Pig.

LoadMetadata
This interface defines how to retrieve metadata related to data to be loaded.

OrderedLoadFunc
Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.

ResourceSchema
A represenation of a schema used to communicate with load and store functions.

ResourceSchema.ResourceFieldSchema

ResourceStatistics
An class that represents statistics about data to be loaded or stored.

StoreFuncInterface
StoreFuncs take records from Pig's processing and store them into a data store.

Classes in org.apache.pig used by org.apache.pig.piggybank.storage.partition

LoadFunc
A LoadFunc loads data into Pig.

Classes in org.apache.pig used by org.apache.pig.scripting.js

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Classes in org.apache.pig used by org.apache.pig.scripting.jython

EvalFunc
The class is used to implement functions to be applied to fields in a dataset.

Classes in org.apache.pig used by org.apache.pig.tools

ExecType
The type of query execution

PigServer
A class for Java programs to connect to Pig.

Classes in org.apache.pig used by org.apache.pig.tools.grunt

PigServer
A class for Java programs to connect to Pig.