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.mapReduceLayer.partitioners   
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.hbase   
org.apache.pig.builtin   
org.apache.pig.data Data types for Pig. 
org.apache.pig.experimental.logical.expression   
org.apache.pig.experimental.logical.relational   
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.optimizer   
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.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.stats   
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.apachelog   
org.apache.pig.tools.grunt   
org.apache.pig.tools.pigstats   
 

Classes in org.apache.pig used by org.apache.hadoop.zebra.pig
CollectableLoadFunc
          This interface implemented by 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
          LoadFunc provides functions directly associated with reading records from data set.
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
           
LoadPushDown.RequiredFieldResponse
           
OrderedLoadFunc
          Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.
ResourceSchema
           
ResourceStatistics
           
StoreFunc
          This abstract class is used to implement functions to write records from a dataset.
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
StoreMetadata
          This interface defines how to write metadata related to data to be loaded.
 

Classes in org.apache.pig used by org.apache.pig
EvalFunc
          The class is used to implement functions to be applied to a dataset.
ExecType
          The type of query execution
Expression
          A class to communicate Filter expressions to LoadFuncs
Expression.OpType
           
FileSplitComparable
          This class can be used to represent a relative position in a file.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
LoadCaster
           
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
LoadPushDown.OperatorSet
          Set of possible operations that Pig can push down to a loader.
LoadPushDown.RequiredField
           
LoadPushDown.RequiredFieldList
           
LoadPushDown.RequiredFieldResponse
           
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.
PigWarning
          An enum to enumerate the warning types in Pig
ResourceSchema
           
ResourceSchema.Order
           
ResourceSchema.ResourceFieldSchema
           
ResourceStatistics
           
ResourceStatistics.ResourceFieldStatistics
           
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
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
 

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
           
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
PigException
          All exceptions in Pig are encapsulated in the PigException class.
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
 

Classes in org.apache.pig used by org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners
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
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
           
EvalFunc
          The class is used to implement functions to be applied to a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
ResourceSchema.ResourceFieldSchema
           
 

Classes in org.apache.pig used by org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
SortInfo
          Class to communicate sort column information based on order by statment's sort columns and schema
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
 

Classes in org.apache.pig used by org.apache.pig.backend.hadoop.hbase
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
 

Classes in org.apache.pig used by org.apache.pig.builtin
Accumulator
           
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 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 - essentially encapsulates the class name and the arguments to the constructor
LoadCaster
           
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
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
           
LoadPushDown.RequiredFieldResponse
           
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
           
ResourceSchema.ResourceFieldSchema
           
ResourceStatistics
           
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
StreamToPig
          The interface 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.experimental.logical.expression
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

Classes in org.apache.pig used by org.apache.pig.experimental.logical.relational
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
 

Classes in org.apache.pig used by org.apache.pig.impl
ExecType
          The type of query execution
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

Classes in org.apache.pig used by org.apache.pig.impl.builtin
EvalFunc
          The class is used to implement functions to be applied to 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
           
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
 

Classes in org.apache.pig used by org.apache.pig.impl.io
ExecType
          The type of query execution
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
LoadCaster
           
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
 

Classes in org.apache.pig used by org.apache.pig.impl.logicalLayer
Expression
          A class to communicate Filter expressions to LoadFuncs
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
LoadPushDown.RequiredFieldList
           
LoadPushDown.RequiredFieldResponse
           
PigException
          All exceptions in Pig are encapsulated in the PigException class.
SortInfo
          Class to communicate sort column information based on order by statment's sort columns and schema
 

Classes in org.apache.pig used by org.apache.pig.impl.logicalLayer.optimizer
ExecType
          The type of query execution
 

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
           
 

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 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
PigException
          All exceptions in Pig are encapsulated in the PigException class.
PigWarning
          An enum to enumerate the warning types in Pig
 

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation
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 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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

Classes in org.apache.pig used by org.apache.pig.piggybank.evaluation.stats
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 a dataset.
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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 a dataset.
FuncSpec
          Class to represent a UDF specification - essentially encapsulates the class name and the arguments to the constructor
 

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
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
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
           
LoadPushDown.RequiredFieldResponse
           
OrderedLoadFunc
          Implementing this interface indicates to Pig that a given loader can be used for MergeJoin.
ResourceSchema
           
ResourceStatistics
           
StoreFunc
          This abstract class is used to implement functions to write records from a dataset.
StoreFuncInterface
          This interface is used to implement functions to write records from a dataset.
StoreMetadata
          This interface defines how to write metadata related to data to be loaded.
 

Classes in org.apache.pig used by org.apache.pig.piggybank.storage.apachelog
LoadFunc
          LoadFunc provides functions directly associated with reading records from data set.
 

Classes in org.apache.pig used by org.apache.pig.tools.grunt
PigServer
          This class is the program's connection to Pig.
 

Classes in org.apache.pig used by org.apache.pig.tools.pigstats
ExecType
          The type of query execution
 



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