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# Classes and Interfaces in #Apache Pig - 736 results found.
NameDescriptionTypePackageFrameworkJavaDoc
ABSABS implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
AbstractTupleThis class provides a convenient base for Tuple implementations.Classorg.apache.pig.dataApache Pigjavadoc
AccumulativeBagClassorg.apache.pig.dataApache Pigjavadoc
AccumulativeTupleBufferThis interface is used during Reduce phrase to process tuples in batch mode.Interfaceorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
AccumulatorAn interface that allows UDFs that take a bag to accumulate tuples in chunks rather than take the whole set at once.Interfaceorg.apache.pigApache Pigjavadoc
AccumulatorAccumulateThis annotation is to be used on a Groovy method which is part of an Accumulator UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AccumulatorCleanupThis annotation is to be used on a Groovy method which is part of an Accumulator UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AccumulatorEvalFuncThis class is used to provide a free implementation of the EvalFunc exec function given implementation of the Accumulator interface.Classorg.apache.pigApache Pigjavadoc
AccumulatorGetValueThis annotation is to be used on a Groovy method which is part of an Accumulator UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AccumulatorOptimizerA visitor to optimize plans that determines if a reduce plan can run in accumulative mode.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
ACOSACOS implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
AddClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
AddDurationAddDuration returns the result of a DateTime object plus a Duration object Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
AddExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
AddForEachClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
AlgebraicAn interface to declare that an EvalFunc's calculation can be decomposed into intitial, intermediate, and final steps.Interfaceorg.apache.pigApache Pigjavadoc
AlgebraicByteArrayMathBaseClassorg.apache.pig.builtinApache Pigjavadoc
AlgebraicDoubleMathBaseClassorg.apache.pig.builtinApache Pigjavadoc
AlgebraicEvalFuncThis class is used to provide a free implementation of the Accumulator interface and EvalFunc class in the case of an Algebraic function.Classorg.apache.pigApache Pigjavadoc
AlgebraicFinalThis annotation is to be used on a Groovy method which is part of an Algebraic UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AlgebraicFloatMathBaseClassorg.apache.pig.builtinApache Pigjavadoc
AlgebraicInitialThis annotation is to be used on a Groovy method which is part of an Algebraic UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AlgebraicIntermedThis annotation is to be used on a Groovy method which is part of an Algebraic UDF to indicate that it willClassorg.apache.pig.scripting.groovyApache Pigjavadoc
AlgebraicIntMathBaseClassorg.apache.pig.builtinApache Pigjavadoc

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AlgebraicLongMathBaseClassorg.apache.pig.builtinApache Pigjavadoc
AllExpressionVisitorA visitor that walks a logical plan and then applies a given LogicalExpressionVisitor to all expressions it encounters.Classorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
AllSameExpressionVisitorClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
AllSameRalationalNodesVisitorA visitor that walks the logical plan and calls the same method on every type of node.Classorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
AmendableTupleClassorg.apache.pig.dataApache Pigjavadoc
AndExpressionBoolean and expression.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
AppendableSchemaTupleClassorg.apache.pig.dataApache Pigjavadoc
ARITYFind the number of fields in a tuple.Classorg.apache.pig.builtinApache Pigjavadoc
ASINASIN implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
ATANATAN implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
AugmentBaseDataVisitorClassorg.apache.pig.penApache Pigjavadoc
AVGGenerates the average of a set of values.Classorg.apache.pig.builtinApache Pigjavadoc
BackendExceptionClassorg.apache.pig.backendApache Pigjavadoc
BagFactoryFactory for constructing different types of bags.Classorg.apache.pig.dataApache Pigjavadoc
BagFormatClassorg.apache.pig.impl.utilApache Pigjavadoc
BagSizeThis method should never be used directly, use SIZE.Classorg.apache.pig.builtinApache Pigjavadoc
BagToStringFlatten a bag into a string.Classorg.apache.pig.builtinApache Pigjavadoc
BagToTupleFlatten a bag into a tuple.Classorg.apache.pig.builtinApache Pigjavadoc
BaseClassorg.apache.pig.builtinApache Pigjavadoc
BaseOperatorPlanClassorg.apache.pig.newplanApache Pigjavadoc
BinaryComparisonOperatorThis is a base class for all binary comparison operators.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
BinaryExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
BinaryExpressionOperatorA base class for all Binary expression operators.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
BinCondExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
BinInterSedesA class to handle reading and writing of intermediate results of data types.Classorg.apache.pig.dataApache Pigjavadoc

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BinSedesTupleThis tuple has a faster (de)serialization mechanism.Classorg.apache.pig.dataApache Pigjavadoc
BinSedesTupleFactoryDefault implementation of TupleFactory.Classorg.apache.pig.dataApache Pigjavadoc
BinStorageLoad and store data in a binary format.Classorg.apache.pig.builtinApache Pigjavadoc
BinStorageInputFormatClassorg.apache.pig.impl.ioApache Pigjavadoc
BinStorageOutputFormatClassorg.apache.pig.impl.ioApache Pigjavadoc
BinStorageRecordReaderTreats keys as offset in file and value as line.Classorg.apache.pig.impl.ioApache Pigjavadoc
BinStorageRecordWriterClassorg.apache.pig.impl.ioApache Pigjavadoc
BloomUse a Bloom filter build previously by BuildBloom.Classorg.apache.pig.builtinApache Pigjavadoc
BoundScriptThis represents an instance of a bound pipeline.Classorg.apache.pig.scriptingApache Pigjavadoc
BufferedPositionedInputStreamClassorg.apache.pig.impl.ioApache Pigjavadoc
BuildBloomBuild a bloom filter for use later in Bloom.Classorg.apache.pig.builtinApache Pigjavadoc
BuildBloomBaseA Base class for BuildBloom and its Algebraic implementations.Classorg.apache.pig.builtinApache Pigjavadoc
BytesHelperClassorg.apache.pig.data.utilsApache Pigjavadoc
CanonicalNamerA visitor to walk the logical plan and give canonical names fields.Classorg.apache.pig.impl.logicalLayerApache Pigjavadoc
CastExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
CastLineageSetterFind uid lineage information.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
CastUtilsClassorg.apache.pig.impl.utilApache Pigjavadoc
CBRTCBRT implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
CEILCEIL implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
CmdLineParserClassorg.apache.pig.tools.cmdlineApache Pigjavadoc
CollectableLoadFuncThis interface implemented by a LoadFunc implementations indicates to Pig that it has the capability to load data such that all instances of a key Interfaceorg.apache.pigApache Pigjavadoc
ColumnAliasConversionVisitorLogical plan visitor which will convert all column alias references to column indexes, using the underlying anonymous expression plan visitor.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
ColumnChainInfoClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
ColumnExpressionSuper class for all column expressions, including projection, constants, and deferences.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
ColumnInfoClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc

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ColumnMapKeyPruneThis Rule prunes columns and map keys and set to loader.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
ColumnPruneHelperHelper class used by ColumnMapKeyPrune to figure out what columns can be pruned.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
ColumnPruneVisitorClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
CombinerOptimizerOptimize map reduce plans to use the combiner where possible.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
CommandClassorg.apache.pig.tools.gruntApache Pigjavadoc
ComparisonFuncAn interface for custom order by comparator function.Classorg.apache.pigApache Pigjavadoc
ComparisonOperatorThis is an interface for all comparison operators.Interfaceorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
CompilationMessageCollectorThis class is used for collecting all messages (error + warning) in compilation process.Classorg.apache.pig.impl.planApache Pigjavadoc
CompiledAutomatonClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.regexApache Pigjavadoc
CompiledRegexClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.regexApache Pigjavadoc
CompilerUtilsClassorg.apache.pig.impl.utilApache Pigjavadoc
CONCATGenerates the concatenation of the first two arguments.Classorg.apache.pig.builtinApache Pigjavadoc
ConfigurationUtilClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
ConfigurationValidatorClassorg.apache.pig.impl.utilApache Pigjavadoc
ConstantExpressionThis class implements a Constant of any type.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
ConstantExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
ConstantSizeThis method should never be used directly, use SIZE.Classorg.apache.pig.builtinApache Pigjavadoc
ContainerDescriptorInterfaceorg.apache.pig.backend.datastorageApache Pigjavadoc
CORComputes the correlation between sets of data.Classorg.apache.pig.builtinApache Pigjavadoc
COSCOS implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
COSHCOSH implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
COUNTGenerates the count of the number of values in a bag.Classorg.apache.pig.builtinApache Pigjavadoc
COUNT_STARGenerates the count of the values of the first field of a tuple.Classorg.apache.pig.builtinApache Pigjavadoc
CountingMapClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitionersApache Pigjavadoc
COVComputes the covariance between sets of data.Classorg.apache.pig.builtinApache Pigjavadoc

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CubeDimensionsProduces a DataBag with all combinations of the argument tuple members as in a data cube.Classorg.apache.pig.builtinApache Pigjavadoc
CurrentTimeCURRENT_TIME generates the DateTime object of the current time.Classorg.apache.pig.builtinApache Pigjavadoc
DanglingNestedNodeRemoverClassorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
DataBagA collection of Tuples.Interfaceorg.apache.pig.dataApache Pigjavadoc
DataByteArrayAn implementation of byte array.Classorg.apache.pig.dataApache Pigjavadoc
DataReaderWriterThis class was used to handle reading and writing of intermediate results of data types.Classorg.apache.pig.dataApache Pigjavadoc
DataStorageDataStorage provides an abstraction of a generic container.Interfaceorg.apache.pig.backend.datastorageApache Pigjavadoc
DataStorageExceptionClassorg.apache.pig.backend.datastorageApache Pigjavadoc
DataTypeA class of static final values used to encode data type and a number of static helper functions for manipulating data objects.Classorg.apache.pig.dataApache Pigjavadoc
DateTimeWritableWritable for Double values.Classorg.apache.pig.backend.hadoopApache Pigjavadoc
DaysBetweenDaysBetween returns the number of days between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
DefaultAbstractBagDefault implementation of DataBag.Classorg.apache.pig.dataApache Pigjavadoc
DefaultBagFactoryDefault implementation of BagFactory.Classorg.apache.pig.dataApache Pigjavadoc
DefaultDataBagAn unordered collection of Tuples (possibly) with multiples.Classorg.apache.pig.dataApache Pigjavadoc
DefaultIndexableLoaderUsed by MergeJoin .Classorg.apache.pig.impl.builtinApache Pigjavadoc
DefaultInputHandlerDefaultInputHandler handles the input for the Pig-Streaming executable in a synchronous manner by feeding it inputClassorg.apache.pig.impl.streamingApache Pigjavadoc
DefaultOutputHandlerFileOutputHandler handles the output from the Pig-Streaming executable in an synchronous manner by reading its outputClassorg.apache.pig.impl.streamingApache Pigjavadoc
DefaultTupleA default implementation of Tuple.Classorg.apache.pig.dataApache Pigjavadoc
DefaultTupleFactoryClassorg.apache.pig.dataApache Pigjavadoc
DependencyOrderWalkerDependencyOrderWalker traverses the graph in such a way that no node is visited before all the nodes it depends on have been visited.Classorg.apache.pig.impl.planApache Pigjavadoc
DependencyOrderWalkerA walker to walk graphs in dependency order.Classorg.apache.pig.newplanApache Pigjavadoc
DepthFirstWalkerDepthFirstWalker traverses a plan in a depth first manner.Classorg.apache.pig.impl.planApache Pigjavadoc
DepthFirstWalkerDo a depth first traversal of the graph.Classorg.apache.pig.newplanApache Pigjavadoc
DereferenceExpressionget one or elements out of a tuple or a bag in case of Tuple( a#2:int, b#3:bag{ b_a#4:int, b_b#5:float }, c#6:int ) # 1Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
DIFFDIFF takes two bags as arguments and compares them.Classorg.apache.pig.builtinApache Pigjavadoc

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DiscreteProbabilitySampleGeneratorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitionersApache Pigjavadoc
DisplayExamplesClassorg.apache.pig.pen.utilApache Pigjavadoc
DistinctFind the distinct set of tuples in a bag.Classorg.apache.pig.builtinApache Pigjavadoc
DistinctCombinerA special implementation of combiner used only for distinct.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
DistinctDataBagAn unordered collection of Tuples with no multiples.Classorg.apache.pig.dataApache Pigjavadoc
DivideClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
DivideExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
DotLOPrinterThis class can print a logical plan in the DOT format.Classorg.apache.pig.newplan.logicalApache Pigjavadoc
DotMRPrinterThis class can print an MR plan in the DOT format.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
DotPlanDumperThis class puts everything that is needed to dump a plan in a format readable by graphviz's dot algorithm.Classorg.apache.pig.impl.planApache Pigjavadoc
DotPlanDumperThis class puts everything that is needed to dump a plan in a format readable by graphviz's dot algorithm.Classorg.apache.pig.newplanApache Pigjavadoc
DotPOPrinterThis class can print a physical plan in the DOT format.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
DoubleAbsClassorg.apache.pig.builtinApache Pigjavadoc
DoubleAvgThis method should never be used directly, use AVG.Classorg.apache.pig.builtinApache Pigjavadoc
DoubleBaseClassorg.apache.pig.builtinApache Pigjavadoc
DoubleMaxThis method should never be used directly, use MAX.Classorg.apache.pig.builtinApache Pigjavadoc
DoubleMinThis method should never be used directly, use MIN.Classorg.apache.pig.builtinApache Pigjavadoc
DoubleRoundGiven a single data atom it Returns the closest long to the argument.Classorg.apache.pig.builtinApache Pigjavadoc
DoubleSumThis method should never be used directly, use SUM.Classorg.apache.pig.builtinApache Pigjavadoc
DoubleWritableWritable for Double values.Classorg.apache.pig.backend.hadoopApache Pigjavadoc
DryRunGruntParserClassorg.apache.pig.parserApache Pigjavadoc
DuplicatedSchemaAliasExceptionClassorg.apache.pig.parserApache Pigjavadoc
DuplicateForEachColumnRewriteClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
ElementDescriptorDataStorageElementDescriptor provides methods necessary to manage an element in a DataStorage.Interfaceorg.apache.pig.backend.datastorageApache Pigjavadoc
EndOfAllInputSetterThis visitor visits the MRPlan and does the following for each MROper: If the map plan or the reduce plan of the MROper hasClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc

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EqualExpressionEquality test expression.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
EqualToExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
EquivalenceClassesClassorg.apache.pig.penApache Pigjavadoc
EvalFuncThe class is used to implement functions to be applied to fields in a dataset.Classorg.apache.pigApache Pigjavadoc
ExampleGeneratorClassorg.apache.pig.penApache Pigjavadoc
ExampleTupleClassorg.apache.pig.pen.utilApache Pigjavadoc
ExceptionalFunctionAn interface that captures a unit of work against an item where an exception might be thrown.Interfaceorg.apache.pigApache Pigjavadoc
ExecExceptionClassorg.apache.pig.backend.executionengineApache Pigjavadoc
ExecJobAbstraction on a job that the execution engine runs.Interfaceorg.apache.pig.backend.executionengineApache Pigjavadoc
ExecTypeThe type of query executionEnum Constant SummaryClassorg.apache.pigApache Pigjavadoc
ExecutableManagerExecutableManager manages an external executable which processes data The ExecutableManager is responsible for startup/teardown ofClassorg.apache.pig.impl.streamingApache Pigjavadoc
EXPClassorg.apache.pig.builtinApache Pigjavadoc
ExpressionA class to communicate Filter expressions to LoadFuncs.Classorg.apache.pigApache Pigjavadoc
ExpressionOperatorA base class for all types of expressions.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
ExpToPhyTranslationVisitorClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
FakeRawKeyValueIteratorClassorg.apache.pig.penApache Pigjavadoc
FieldIsNullExceptionClassorg.apache.pig.dataApache Pigjavadoc
FileInputHandlerFileInputHandler handles the input for the Pig-Streaming executable in an asynchronous manner by feeding it inputClassorg.apache.pig.impl.streamingApache Pigjavadoc
FileInputLoadFuncThis class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, byClassorg.apache.pigApache Pigjavadoc
FileListThis class extends ArrayList to add a finalize() that calls delete on the files .Classorg.apache.pig.dataApache Pigjavadoc
FileLocalizerClassorg.apache.pig.impl.ioApache Pigjavadoc
FileOutputHandlerFileOutputHandler handles the output from the Pig-Streaming executable in an asynchronous manner by reading it fromClassorg.apache.pig.impl.streamingApache Pigjavadoc
FileSpecA simple class that specifies a file name and storage function which is used to read/write itSee Also:Serialized FormClassorg.apache.pig.impl.ioApache Pigjavadoc
FileSplitComparableThis class represents a relative position in a file.Classorg.apache.pigApache Pigjavadoc
FilterAboveForeachThis Rule moves Filter Above Foreach.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc

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FilterFuncClassorg.apache.pigApache Pigjavadoc
FindQuantilesClassorg.apache.pig.impl.builtinApache Pigjavadoc
FloatAbsClassorg.apache.pig.builtinApache Pigjavadoc
FloatAvgThis method should never be used directly, use AVG.Classorg.apache.pig.builtinApache Pigjavadoc
FloatMaxThis method should never be used directly, use MAX.Classorg.apache.pig.builtinApache Pigjavadoc
FloatMinThis method should never be used directly, use MIN.Classorg.apache.pig.builtinApache Pigjavadoc
FloatRoundROUND implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
FloatSumThis method should never be used directly, use SUM.Classorg.apache.pig.builtinApache Pigjavadoc
FLOORFLOOR implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
FrontendExceptionClassorg.apache.pig.impl.logicalLayerApache Pigjavadoc
FuncSpecClass to represent a UDF specification.Classorg.apache.pigApache Pigjavadoc
FunctionA convenience typedef that ties into both google's Function and ExceptionalFunction.Interfaceorg.apache.pigApache Pigjavadoc
FunctionWrapperEvalFuncEvalFunc that wraps an implementation of the Function interface, which is passed as a String in the constructor.Classorg.apache.pig.builtinApache Pigjavadoc
GenericInvokerThe generic Invoker class does all the common grunt work of setting up an invoker.Classorg.apache.pig.builtinApache Pigjavadoc
GetDayGetDay extracts the day of a month from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetHourGetHour extracts the hour of a day from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetMemNumRowsUDF to get memory size of a tuple and extracts number of rows value from special tuple created by PoissonSampleLoaderClassorg.apache.pig.impl.builtinApache Pigjavadoc
GetMilliSecondGetSecond extracts the millisecond of a second from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetMinuteGetMinute extracts the minute of an hour from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetMonthGetMonth extracts the month of a year from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetSecondGetSecond extracts the second of a minute from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetWeekGetMonth extracts the week of a week year from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetWeekYearGetMonth extracts the week year from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GetYearGetYear extracts the year from a DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
GFAnybuilt-in grouping function; permits system to choose any grouping.Classorg.apache.pig.impl.builtinApache Pigjavadoc

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GFCrossClassorg.apache.pig.impl.builtinApache Pigjavadoc
GFReplicateClassorg.apache.pig.impl.builtinApache Pigjavadoc
GreaterThanEqualExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
GreaterThanExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
GreaterThanExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
GroovyAccumulatorEvalFuncClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroovyAlgebraicEvalFuncClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroovyEvalFuncClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroovyEvalFuncObjectClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroovyScriptEngineClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroovyUtilsClassorg.apache.pig.scripting.groovyApache Pigjavadoc
GroupByConstParallelSetterRule: If a LOCogroup is 'group all', set the parallelism to 1, or in general - if the group-by expression is just a constantClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
GruntClassorg.apache.pig.tools.gruntApache Pigjavadoc
GruntParserClassorg.apache.pig.tools.gruntApache Pigjavadoc
GTOrEqualToExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
HadoopExecutableManagerHadoopExecutableManager is a specialization of ExecutableManager and provides HDFS-specific support for secondaryClassorg.apache.pig.backend.hadoop.streamingApache Pigjavadoc
HandlerFactoryFactory to create an InputHandler or OutputHandler depending on the specification of the StreamingCommand.Classorg.apache.pig.impl.streamingApache Pigjavadoc
HBaseBinaryConverterClassorg.apache.pig.backend.hadoop.hbaseApache Pigjavadoc
HBaseStorageA HBase implementation of LoadFunc and StoreFunc.Classorg.apache.pig.backend.hadoop.hbaseApache Pigjavadoc
HBaseTableInputFormatClassorg.apache.pig.backend.hadoop.hbaseApache Pigjavadoc
HConfigurationClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
HDataStorageClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
HDataTypeA class of helper methods for converting from pig data types to hadoop data types, and vice versa.Classorg.apache.pig.backend.hadoopApache Pigjavadoc
HDirectoryClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
HExecutionEngineClassorg.apache.pig.backend.hadoop.executionengineApache Pigjavadoc

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HFileClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
HJobClassorg.apache.pig.backend.hadoop.executionengineApache Pigjavadoc
HoursBetweenHoursBetween returns the number of hours between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
HPathClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
HSeekableInputStreamClassorg.apache.pig.backend.hadoop.datastorageApache Pigjavadoc
IdentityColumnReturns the input, used by DuplicateForEachColumnRewrite to rewrite duplicate columns in ForEach.Classorg.apache.pig.impl.builtinApache Pigjavadoc
IdentityHashSetClassorg.apache.pig.impl.utilApache Pigjavadoc
IllustrableInterfaceorg.apache.pig.penApache Pigjavadoc
IllustrateDummyReporterClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
IllustratorClassorg.apache.pig.penApache Pigjavadoc
IllustratorAttacherClassorg.apache.pig.penApache Pigjavadoc
ImmutableOutputStreamClassorg.apache.pig.backend.datastorageApache Pigjavadoc
ImplicitSplitInserterSuper class for all rules that operates on the whole plan.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
IndexableLoadFuncThis class is intended for use by LoadFunc implementations which have an internal index for sorted data and can use the indexInterfaceorg.apache.pigApache Pigjavadoc
INDEXOFINDEXOF implements eval function to search for a string A = load 'mydata' as (name);Classorg.apache.pig.builtinApache Pigjavadoc
InputHandlerInputHandler is responsible for handling the input to the Pig-Streaming external command.Classorg.apache.pig.impl.streamingApache Pigjavadoc
InputOutputFileValidatorClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
InputSizeReducerEstimatorClass that estimates the number of reducers based on input size.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
InputStatsThis class encapsulates the runtime statistics of a user specified input.Classorg.apache.pig.tools.pigstatsApache Pigjavadoc
IntAbsABS implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
IntAvgThis method should never be used directly, use AVG.Classorg.apache.pig.builtinApache Pigjavadoc
InterfaceAudienceAnnotation to inform users of a package, class or method's intended audience.Classorg.apache.pig.classificationApache Pigjavadoc
InterfaceStabilityAnnotation to inform users of how much to rely on a particular package, class or method not changing over time.Classorg.apache.pig.classificationApache Pigjavadoc
InternalCachedBagClassorg.apache.pig.dataApache Pigjavadoc
InternalDistinctBagAn unordered collection of Tuples with no multiples.Classorg.apache.pig.dataApache Pigjavadoc

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InternalMapThis class is an empty extension of Map.Classorg.apache.pig.dataApache Pigjavadoc
InternalSortedBagAn ordered collection of Tuples (possibly) with multiples.Classorg.apache.pig.dataApache Pigjavadoc
InterRecordReaderA record reader used to read data written using InterRecordWriter It uses the default InterSedes object for deserialization.Classorg.apache.pig.impl.ioApache Pigjavadoc
InterRecordWriterA record reader used to write data compatible with InterRecordWriter It uses the default InterSedes object for serialization.Classorg.apache.pig.impl.ioApache Pigjavadoc
InterSedesA class to handle reading and writing of intermediate results of data types.Interfaceorg.apache.pig.dataApache Pigjavadoc
InterSedesFactoryUsed to get hold of the single instance of InterSedes .Classorg.apache.pig.dataApache Pigjavadoc
InterStorageLOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs ofClassorg.apache.pig.impl.ioApache Pigjavadoc
IntMaxThis method should never be used directly, use MAX.Classorg.apache.pig.builtinApache Pigjavadoc
IntMinThis method should never be used directly, use MIN.Classorg.apache.pig.builtinApache Pigjavadoc
IntSumThis method should never be used directly, use SUM.Classorg.apache.pig.builtinApache Pigjavadoc
InvalidCommandExceptionClassorg.apache.pig.parserApache Pigjavadoc
InvalidPathExceptionClassorg.apache.pig.parserApache Pigjavadoc
InvalidScalarProjectionExceptionClassorg.apache.pig.parserApache Pigjavadoc
INVERSEMAPThis UDF accepts a Map as input with values of any primitive data type.Classorg.apache.pig.builtinApache Pigjavadoc
InvokeForDoubleClassorg.apache.pig.builtinApache Pigjavadoc
InvokeForFloatClassorg.apache.pig.builtinApache Pigjavadoc
InvokeForIntClassorg.apache.pig.builtinApache Pigjavadoc
InvokeForLongClassorg.apache.pig.builtinApache Pigjavadoc
InvokeForStringClassorg.apache.pig.builtinApache Pigjavadoc
InvokerClassorg.apache.pig.builtinApache Pigjavadoc
IsEmptyDetermine whether a bag or map is empty.Classorg.apache.pig.builtinApache Pigjavadoc
IsNullExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
IteratingAccumulatorEvalFuncThis class provides a much more intuitive way to write Accumulator UDFs.Classorg.apache.pigApache Pigjavadoc
JarManagerClassorg.apache.pig.impl.utilApache Pigjavadoc
JavaCompilerHelperClassorg.apache.pig.impl.utilApache Pigjavadoc

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JobControlCompilerThis is compiler class that takes an MROperPlan and converts it into a JobControl object with the relevant dependency infoClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
JobCreationExceptionClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
JobStatsThis class encapsulates the runtime statistics of a MapReduce job.Classorg.apache.pig.tools.pigstatsApache Pigjavadoc
JrubyAccumulatorEvalFuncThis class provides a bridge between Ruby classes that extend AccumulatorPigUdf and their execution in Pig.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
JrubyAlgebraicEvalFuncThis class provides the bridge between Ruby classes that extend the AlgebraicPigUdf "interface" by implementing an initial, intermed, and final method.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
JrubyEvalFuncThis class serves at the bridge between Ruby methods that are registered with and extend PigUdf, and their execution inClassorg.apache.pig.scripting.jrubyApache Pigjavadoc
JrubyScriptEngine of scripts as UDFs, and also provides information (via the nested class RubyFunctions) on the registered functions.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
JsFunctionClassorg.apache.pig.scripting.jsApache Pigjavadoc
JsonLoaderA loader for data stored using JsonStorage.Classorg.apache.pig.builtinApache Pigjavadoc
JsonMetadataReads and Writes metadata using JSON in metafiles next to the data.Classorg.apache.pig.builtinApache Pigjavadoc
JsonStorageA JSON Pig store function.Classorg.apache.pig.builtinApache Pigjavadoc
JSPigPig entry point from javascriptAuthor:Julien Le DemClassorg.apache.pig.scripting.jsApache Pigjavadoc
JsScriptEngineClassorg.apache.pig.scripting.jsApache Pigjavadoc
JythonFunctionClassorg.apache.pig.scripting.jythonApache Pigjavadoc
JythonScriptEngineClassorg.apache.pig.scripting.jythonApache Pigjavadoc
JythonUtilsClassorg.apache.pig.scripting.jythonApache Pigjavadoc
KEYSETThis UDF takes a Map and returns a Bag containing the keyset.Classorg.apache.pig.builtinApache Pigjavadoc
KeyTypeDiscoveryVisitorA visitor to figure out the type of the key for the map plan this is needed when the key is null to createClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
LAST_INDEX_OFstring.Classorg.apache.pig.builtinApache Pigjavadoc
LauncherClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
LCFIRSTClassorg.apache.pig.builtinApache Pigjavadoc
LessThanEqualExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
LessThanExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
LessThanExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
LimitAdjusterClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc

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LimitOptimizerClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
LineageFindRelVisitorCreate mapping between uid and Load FuncSpec when the LogicalExpression associated with it is known to hold an unmodified element of data returnedClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
LineageTracerClassorg.apache.pig.impl.utilApache Pigjavadoc
LineageTracerClassorg.apache.pig.pen.utilApache Pigjavadoc
LineageTrimmingVisitorClassorg.apache.pig.penApache Pigjavadoc
LinkedMultiMapClassorg.apache.pig.impl.utilApache Pigjavadoc
LoadCasterAn interface that provides cast implementations for load functions.Interfaceorg.apache.pigApache Pigjavadoc
LoadFuncA LoadFunc loads data into Pig.Classorg.apache.pigApache Pigjavadoc
LoadMetadataThis interface defines how to retrieve metadata related to data to be loaded.Interfaceorg.apache.pigApache Pigjavadoc
LoadPushDownThis interface defines how to communicate to Pig what functionality can be pushed into the loader.Interfaceorg.apache.pigApache Pigjavadoc
LoadStoreCasterThis is just a union interface of LoadCaster and StoreCaster, made available for simplicity.Interfaceorg.apache.pigApache Pigjavadoc
LoadTypeCastInserterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
LocalMapReduceSimulatorClassorg.apache.pig.penApache Pigjavadoc
LOCogroupClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOCrossClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOCubeCUBE operator implementation for data cube computation.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LODistinctClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOFilterClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOForEachClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOGLOG implements a binding to the Java function Given a single data atom it returns the natural Classorg.apache.pig.builtinApache Pigjavadoc
LOG10LOG10 implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
LOGenerateClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogicalExpressionLogical representation of expression operators.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
LogicalExpressionPlanA plan containing LogicalExpressionOperators.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
LogicalExpressionSimplifierClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc

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LogicalExpressionVisitorA visitor for expression plans.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
LogicalPlanLogicalPlan is the logical view of relational operations Pig will execute for a given script.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogicalPlanBuilderClassorg.apache.pig.parserApache Pigjavadoc
LogicalPlanOptimizerClassorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
LogicalPlanPrinterA visitor mechanism printing out the logical plan.Classorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
LogicalRelationalNodesVisitorA visitor for logical plans.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogicalRelationalOperatorLogical representation of relational operators.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogicalSchemaSchema, from a logical perspective.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogicalToPhysicalTranslatorExceptionClassorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
LogToPhyTranslationVisitorClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LogUtilsClassorg.apache.pig.impl.utilApache Pigjavadoc
LOInnerLoadOperator to map the data into the inner plan of LOForEach It can only be used in the inner plan of LOForEachClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOJoinClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOLimitClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOLoadClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LONativeClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LongAbsClassorg.apache.pig.builtinApache Pigjavadoc
LongAvgThis method should never be used directly, use AVG.Classorg.apache.pig.builtinApache Pigjavadoc
LongMaxThis method should never be used directly, use MAX.Classorg.apache.pig.builtinApache Pigjavadoc
LongMinThis method should never be used directly, use MIN.Classorg.apache.pig.builtinApache Pigjavadoc
LongSumThis method should never be used directly, use SUM.Classorg.apache.pig.builtinApache Pigjavadoc
LORankRANK operator implementation.Classorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOSortClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOSplitClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOSplitOutputClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc

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LOStoreClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOStreamClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOUnionClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
LOWERLOWER implements eval function to convert a string to lower case A = load 'mydata' as (name);Classorg.apache.pig.builtinApache Pigjavadoc
LTOrEqualToExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
MainMain class for Pig engine.Classorg.apache.pigApache Pigjavadoc
MapKeysInfoClassorg.apache.pig.impl.planApache Pigjavadoc
MapKeysPruneHelperThis filter Marks every Load Operator which has a Map with MAP_MARKER_ANNOTATION.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
MapLookupExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
MapRedResultClassorg.apache.pig.backend.hadoop.executionengineApache Pigjavadoc
MapReduceLauncherClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MapReduceOperAn operator model for a Map Reduce job.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MapReducePOStoreImplThis class is used to have a POStore write to DFS via a output collector/record writer.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MapRedUtilClassorg.apache.pig.backend.hadoop.executionengine.utilApache Pigjavadoc
MapSideMergeValidatorClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
MapSizeThis method should never be used directly, use SIZE.Classorg.apache.pig.builtinApache Pigjavadoc
MAXGenerates the maximum of a set of values.Classorg.apache.pig.builtinApache Pigjavadoc
MergeFilterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
MergeForEachClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
MergeJoinIndexerMerge Join indexer is used to generate on the fly index for doing Merge Join efficiently.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MethodHelperClassorg.apache.pig.data.utilsApache Pigjavadoc
MetricEvaluationClassorg.apache.pig.pen.utilApache Pigjavadoc
MilliSecondsBetweenMilliSecondsBetween returns the number of milliseconds between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
MINGenerates the minimum of a set of values.Classorg.apache.pig.builtinApache Pigjavadoc
MinutesBetweenMinutesBetween returns the number of minutes between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc

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ModClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
ModExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
MonitoredUDFDescribes how the execution of a UDF should be monitored, and what to do if it times out.Classorg.apache.pig.builtinApache Pigjavadoc
MonitoredUDFExecutorMonitoredUDF is used to watch execution of a UDF, and kill it if the UDF takes an exceedingly long time.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.utilApache Pigjavadoc
MonthsBetweenMonthsBetween returns the number of months between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
MRCompilerThe compiler that compiles a given physical plan into a DAG of MapReduce operators which can then Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MRCompilerExceptionClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MROperPlanA Plan used to create the plan of Map Reduce Operators which can be Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
MROpPlanVisitorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
MRPrinterA visitor mechanism printing out the logical plan.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
MRUtilClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
MultiMapAn implementation of multi-map.Classorg.apache.pig.impl.utilApache Pigjavadoc
MultiplyClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
MultiplyExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
NativeMapReduceOperClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
NegativeExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
NodeIdGeneratorClassorg.apache.pig.impl.planApache Pigjavadoc
NonConstantRegexClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.regexApache Pigjavadoc
NondeterministicA non-deterministic UDF is one that can produce different results when invoked on the same input.Classorg.apache.pig.builtinApache Pigjavadoc
NonProjectExpressionExceptionClassorg.apache.pig.parserApache Pigjavadoc
NonSpillableDataBagAn unordered collection of Tuples (possibly) with multiples.Classorg.apache.pig.dataApache Pigjavadoc
NotEqualExpressionNotEquality test expression.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
NotEqualToExprClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
NotExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
NullableBagClassorg.apache.pig.impl.ioApache Pigjavadoc

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NullableBooleanWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableBytesWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableDateTimeWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableDoubleWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableFloatWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableIntWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableLongWritableClassorg.apache.pig.impl.ioApache Pigjavadoc
NullablePartitionWritableNullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class.Classorg.apache.pig.impl.ioApache Pigjavadoc
NullableTextClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableTupleClassorg.apache.pig.impl.ioApache Pigjavadoc
NullableUnknownWritableThis class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object.Classorg.apache.pig.impl.ioApache Pigjavadoc
NumValCarrierClassorg.apache.pig.impl.utilApache Pigjavadoc
ObjectSerializerClassorg.apache.pig.impl.utilApache Pigjavadoc
OperatorBase class for all types of operators.Classorg.apache.pig.impl.planApache Pigjavadoc
OperatorClassorg.apache.pig.newplanApache Pigjavadoc
OperatorKeyClassorg.apache.pig.impl.planApache Pigjavadoc
OperatorPlanA generic graphing class for use by LogicalPlan, PhysicalPlan, etc.Classorg.apache.pig.impl.planApache Pigjavadoc
OperatorPlanAn interface that defines graph operations on plans.Interfaceorg.apache.pig.newplanApache Pigjavadoc
OperatorSubPlanClass to represent a view of a plan.Classorg.apache.pig.newplanApache Pigjavadoc
OptimizerExceptionClassorg.apache.pig.impl.plan.optimizerApache Pigjavadoc
OptimizerUtilsClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
OrderedLoadFunc can be used for MergeJoin.Interfaceorg.apache.pigApache Pigjavadoc
OrExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
OutputHandlerOutputHandler is responsible for handling the output of the Pig-Streaming external command.Classorg.apache.pig.impl.streamingApache Pigjavadoc
OutputSchemaAn EvalFunc can annotated with an OutputSchema to tell Pig what the expected output is.Classorg.apache.pig.builtinApache Pigjavadoc

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OutputStatsThis class encapsulates the runtime statistics of an user specified output.Classorg.apache.pig.tools.pigstatsApache Pigjavadoc
PairCopy of C++ STL pair container.Classorg.apache.pig.impl.utilApache Pigjavadoc
ParameterSubstitutionPreprocessorClassorg.apache.pig.tools.parametersApache Pigjavadoc
ParserExceptionClassorg.apache.pig.parserApache Pigjavadoc
ParserValidationExceptionClassorg.apache.pig.parserApache Pigjavadoc
PartitionFilterOptimizerClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
PartitionSkewedKeysPartition reducers for skewed keys.Classorg.apache.pig.impl.builtinApache Pigjavadoc
PatternNodeUsed for finding/representing a pattern in the plan This class represents a node in the patternClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
PatternPlanUsed for finding/representing a pattern in the plan This class represents the patternClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
PColFilterExtractorThis Visitor works on the filter condition of a LOFilter which immediately follows a LOLoad that interacts with a metadata system (currently OWL) to Classorg.apache.pig.newplanApache Pigjavadoc
PerformanceTimerClassorg.apache.pig.tools.timerApache Pigjavadoc
PerformanceTimerFactoryClassorg.apache.pig.tools.timerApache Pigjavadoc
PhyPlanSetterSets the parent plan for all Physical Operators.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PhyPlanVisitorThe visitor class for the Physical Plan.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
PhysicalOperatorThis is the base class for all operators.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
PhysicalPlanThe base class for all types of physical plans.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
PhysicalPlanResetterClassorg.apache.pig.penApache Pigjavadoc
PigClassorg.apache.pig.scriptingApache Pigjavadoc
PigBooleanRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigBytesRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigCombinerClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigCompletorClassorg.apache.pig.tools.gruntApache Pigjavadoc
PigCompletorAliasesClassorg.apache.pig.tools.gruntApache Pigjavadoc
PigConfigurationContainer for static configuration strings, defaults, etc.Classorg.apache.pigApache Pigjavadoc
PigConstantsClassorg.apache.pigApache Pigjavadoc

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PigContextClassorg.apache.pig.implApache Pigjavadoc
PigCounterHelperA helper class to deal with Hadoop counters in Pig.Classorg.apache.pig.tools.countersApache Pigjavadoc
PigCountersThe following enum will contain the general counters that pig uses.Classorg.apache.pigApache Pigjavadoc
PigDateTimeRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigDoubleRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigExceptionAll exceptions in Pig are encapsulated in the PigException class.Classorg.apache.pigApache Pigjavadoc
PigFileClassorg.apache.pig.impl.ioApache Pigjavadoc
PigFileInputFormatClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigFloatRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigGenericMapBaseThis class is the base class for PigMapBase, which has slightly difference among different versions of hadoop.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigGenericMapReduceThis class is the static Mapper & Reducer classes that are used by Pig to execute Pig Map Reduce jobs.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigHadoopLoggerA singleton class that implements the PigLogger interface for use in map reduce context.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigInputFormatClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigIntRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigJrubyLibraryThis class provides the ability to present to Ruby a library that was written in Java.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
PigLoggerInterfaceorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
PigLongRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigMapOnlyThis class is the static Mapper class used by Pig to execute Pig map only jobs.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigMapReduceCounterClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigNullableWritableA base class for all types that pig uses to move data between map and reduce.Classorg.apache.pig.impl.ioApache Pigjavadoc
PigOutputCommitterA specialization of the default FileOutputCommitter to allow pig to inturn delegate calls to the OutputCommiter(s) of the Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigOutputFormatThe better half of PigInputFormat which is responsible for the Store functionality.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigParserNodeClassorg.apache.pig.parserApache Pigjavadoc
PigParserNodeAdaptorClassorg.apache.pig.parserApache Pigjavadoc
PigProgressablePig's progress indicator.Interfaceorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc

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PigProgressNotificationListenerInterfaceorg.apache.pig.tools.pigstatsApache Pigjavadoc
PigRecognitionExceptionSubclass of Antlr RecognitionException which should be the parent class of all parser related exception classes.Classorg.apache.pig.parserApache Pigjavadoc
PigRecordReaderA wrapper around the actual RecordReader and loadfunc - this is needed for 1) To intercept the initialize call from hadoop and initialize the underlyingClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigReducerEstimatorInterface to implement when you want to use a custom approach to estimating the number of reducers for a job.Interfaceorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigRunnerA utility to help run PIG scripts within a Java program.Classorg.apache.pigApache Pigjavadoc
PigSecondaryKeyComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigSequenceFileInputFormatClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigServerA class for Java programs to connect to Pig.Classorg.apache.pigApache Pigjavadoc
PigSplitThe main split class that maintains important information about the input split.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigStatsPigStats encapsulates the statistics collected from a running script.Classorg.apache.pig.tools.pigstatsApache Pigjavadoc
PigStatsUtilClassorg.apache.pig.tools.pigstatsApache Pigjavadoc
PigStatusReporterClassorg.apache.pig.tools.pigstatsApache Pigjavadoc
PigStorageA load function that parses a line of input into fields using a character delimiter.Classorg.apache.pig.builtinApache Pigjavadoc
PigStreamingThe default implementation of PigToStream and StreamToPig interfaces.Classorg.apache.pig.builtinApache Pigjavadoc
PigTextInputFormatClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigTextOutputFormatClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigTextRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigToStreamThe interface used for the custom mapping of a Tuple to a byte array.Interfaceorg.apache.pigApache Pigjavadoc
PigTupleDefaultRawComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigTupleSortComparatorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
PigWarningAn enum to enumerate the warning types in PigEnum Constant SummaryClassorg.apache.pigApache Pigjavadoc
PlanDumperThis class dumps a nested plan to a print stream.Classorg.apache.pig.impl.planApache Pigjavadoc
PlanDumperThis class dumps a nested plan to a print stream.Classorg.apache.pig.newplanApache Pigjavadoc
PlanEdgeClassorg.apache.pig.newplanApache Pigjavadoc
PlanExceptionClassorg.apache.pig.impl.planApache Pigjavadoc

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PlanGenerationFailureExceptionClassorg.apache.pig.parserApache Pigjavadoc
PlanHelperUtility class with a few helper functions to deal with physical plans.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.utilApache Pigjavadoc
PlanOptimizerThe core class of the optimizer.Classorg.apache.pig.newplan.optimizerApache Pigjavadoc
PlanPrinterClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.plansApache Pigjavadoc
PlanTransformListenerAn interface to describe listeners that are notified when a plan is modified.Interfaceorg.apache.pig.newplan.optimizerApache Pigjavadoc
PlanValidationExceptionClassorg.apache.pig.impl.planApache Pigjavadoc
PlanVisitorA visitor mechanism for navigating and operating on a plan of Operators.Classorg.apache.pig.impl.planApache Pigjavadoc
PlanVisitorA visitor mechanism for navigating and operating on a plan of Operators.Classorg.apache.pig.newplanApache Pigjavadoc
PlanWalkerPlanWalker encapsulates the logic to traverse a plan.Classorg.apache.pig.impl.planApache Pigjavadoc
PlanWalkerClassorg.apache.pig.newplanApache Pigjavadoc
POAndBoolean and operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POBinCondClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POCastThis is just a cast that converts DataByteArray into either String or Integer.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POCollectedGroupThe collected group operator is a special operator used when users give the hint 'using "collected"' in a group by clause.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POCombinerPackageThe package operator that packages the globally rearranged tuples into output format after the combiner stage.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POCounterThis operator is part of the RANK operator implementation.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POCrossRecover this class for nested cross operation.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
PODemuxThe MapReduce Demultiplexer operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
PODistinctFind the distinct set of tuples in a bag.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POFilterThis is an implementation of the Filter operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POForEachClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POFRJoinThe operator models the join keys using the Local Rearrange operators which are configured with the plan specified by the user.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POGlobalRearrangeDummy operator to test MRCompiler.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POIsNullClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
PoissonSampleLoaderSee "Skewed Join sampler" in http://wiki.Classorg.apache.pig.impl.builtinApache Pigjavadoc

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POJoinPackageClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POLimitClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POLoadThe load operator which is used in two ways: 1) As a local operator it can be used to load filesClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POLocalRearrangeThe local rearrange operator is a part of the co-group implementation.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POMapLookUpClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POMergeCogroupClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POMergeJoinThis operator implements merge join algorithm to do map side joins.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POMultiQueryPackageThe package operator that packages the globally rearranged tuples into output format as required by multi-query de-multiplexer.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
PONativeClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
PONegativeClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
PONotBoolean not operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POOptimizedForEachA specialized version of POForeach with the difference that in getNext(), it knows that "input" has already beenClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POOptimizeDisablerClassorg.apache.pig.penApache Pigjavadoc
POOrBoolean or operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POPackageThe package operator that packages the globally rearranged tuples intoClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POPackageAnnotatorThis visitor visits the MRPlan and does the following - visits the POPackage in the reduce plan and finds the correspondingClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
POPackageLiteThis package operator is a specialization of POPackage operator used for the specificClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POPartialAggDo partial aggregation in map plan.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POPartitionRearrangeThe partition rearrange operator is a part of the skewed join implementation.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POPreCombinerLocalRearrangeA specialized local rearrange operator which behaves like the regular local rearrange in the getNext()Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POPrinterClassorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
POProject Projects the specified column from the input tuple.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
PORankThis operator is part of the RANK operator implementation.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
PORegexpClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
PORelationToExprProject used *ONLY* in the following case: This project is Project(*) introduced after a relational operatorClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc

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POSkewedJoinThe PhysicalOperator that represents a skewed join.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POSortThis implementation is applicable for both the physical plan and for the local backend, as the conversion of physical to mapreduce would see the SORTClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POSortedDistinctThis operator is a variation of PODistinct, the input to this operator must be sorted already.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POSplitThe MapReduce Split operator.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POStatusClassorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
POStoreThe store operator which is used in two ways: 1) As a local operator it can be used to store filesClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POStoreImplThis class is used to specify the actual behavior of the store operator just when ready to start execution.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POStreamClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POUnionThe union operator that combines the two inputs into a single stream.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperatorsApache Pigjavadoc
POUserComparisonFuncClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
POUserFuncClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
PreOrderDepthFirstWalkerClassorg.apache.pig.pen.utilApache Pigjavadoc
PreprocessorContextClassorg.apache.pig.tools.parametersApache Pigjavadoc
PrimitiveEvalFuncBase class for simple Pig UDFs that are functions of primitive types IN to OUT.Classorg.apache.pigApache Pigjavadoc
ProgressableReporterClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
ProjectExpressionProjection of columns in an expression.Classorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
ProjectionMapA struct detailing how a projection is altered by an operator.Classorg.apache.pig.impl.planApache Pigjavadoc
ProjectionPatcherA PlanTransformListener that will patch up references in projections.Classorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
ProjectStarExpanderA visitor to walk operators that contain a nested plan and translate project( * ) operators to a list of projection operators, i.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
ProjectStarExpanderUtilClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
ProjStarInUdfExpanderExpand project-star or project-range when used as udf argument.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
PropertiesUtilClassorg.apache.pig.impl.utilApache Pigjavadoc
PushDownForEachFlattenClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
PushUpFilterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
QueryParserDriverClassorg.apache.pig.parserApache Pigjavadoc

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QueryParserFileStreamPig's implementation class of file stream, used to make ANTLR case insensitive while preserving case.Classorg.apache.pig.parserApache Pigjavadoc
QueryParserStreamUtilClassorg.apache.pig.parserApache Pigjavadoc
QueryParserStringStreamPig's Implementation class for String stream, used to make ANTLR case insensitive while preserving case.Classorg.apache.pig.parserApache Pigjavadoc
QueryParserUtilsClassorg.apache.pig.parserApache Pigjavadoc
RANDOMReturn a random double value.Classorg.apache.pig.builtinApache Pigjavadoc
RandomSampleLoaderA loader that samples the data.Classorg.apache.pig.impl.builtinApache Pigjavadoc
ReadOnceBagThis bag is specifically created for use by POPackageLite.Classorg.apache.pig.dataApache Pigjavadoc
ReadScalarsReadScalars reads a line from a file and returns it as its value.Classorg.apache.pig.impl.builtinApache Pigjavadoc
ReadToEndLoaderThis is wrapper Loader which wraps a real LoadFunc underneath and allows to read a file completely starting a given split (indicated by a split index Classorg.apache.pig.impl.ioApache Pigjavadoc
REGEX_EXTRACTSyntax:String RegexExtract(String expression, String regex, int match_index).Classorg.apache.pig.builtinApache Pigjavadoc
REGEX_EXTRACT_ALLSyntax:String RegexExtractAll(String expression, String regex).Classorg.apache.pig.builtinApache Pigjavadoc
RegexExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
RegexInitClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.regexApache Pigjavadoc
REPLACEREPLACE implements eval function to replace part of a string.Classorg.apache.pig.builtinApache Pigjavadoc
RequiredFieldsA struct detailing how a projection is altered by an operator.Classorg.apache.pig.impl.planApache Pigjavadoc
ResourceNotFoundExceptionClassorg.apache.pig.impl.ioApache Pigjavadoc
ResourceSchemaA represenation of a schema used to communicate with load and store functions.Classorg.apache.pigApache Pigjavadoc
ResourceStatisticsAn class that represents statistics about data to be loaded or stored.Classorg.apache.pigApache Pigjavadoc
ResultClassorg.apache.pig.backend.hadoop.executionengine.physicalLayerApache Pigjavadoc
ReverseDependencyOrderWalkerReverseDependencyOrderWalker traverses the graph in such a way that no node is visited before all the nodes that are its successors on have been visited.Classorg.apache.pig.impl.planApache Pigjavadoc
ReverseDependencyOrderWalkerVisit a plan in the reverse of the dependency order.Classorg.apache.pig.newplanApache Pigjavadoc
ReverseDependencyOrderWalkerWOSeenChkVisit a plan in the reverse of the dependency order.Classorg.apache.pig.newplanApache Pigjavadoc
RewindableIteratorClassorg.apache.pig.impl.utilApache Pigjavadoc
RollupDimensionsProduces a DataBag with hierarchy of values (from the most detailed level of aggregation to most general level of aggregation) of the specified dimensionsClassorg.apache.pig.builtinApache Pigjavadoc
ROUNDROUND implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc

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RubyDataBagThis provides a Ruby-esque way to interact with DataBag objects.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
RubyDataByteArrayThis class presents a native Ruby object for interacting with and manipulating DataByteArray objects.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
RubySchemaThis class encapsulated a native Schema object, and provides a more convenient interface for manipulating Schemas.Classorg.apache.pig.scripting.jrubyApache Pigjavadoc
RuleRules describe a pattern of operators.Classorg.apache.pig.newplan.optimizerApache Pigjavadoc
RunJarSecurityManagerClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
SampleLoaderClassorg.apache.pig.impl.builtinApache Pigjavadoc
SampleOptimizerA visitor to optimize plans that have a sample job that immediately follows a load/store only MR job.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
ScalarExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
ScalarPhyFinderClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
ScalarVariableValidatorThis validator checks the correctness of use of scalar variables in logical operators.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
ScalarVisitorLogical plan visitor which handles scalar projections.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
SchemaThe Schema class encapsulates the notion of a schema for a relational operator.Classorg.apache.pig.impl.logicalLayer.schemaApache Pigjavadoc
SchemaAliasVisitorClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
SchemaMergeExceptionClassorg.apache.pig.impl.logicalLayer.schemaApache Pigjavadoc
SchemaNotDefinedExceptionClassorg.apache.pig.newplan.logical.relationalApache Pigjavadoc
SchemaPatcherA PlanTransformListener for the logical optimizer that will patch up schemas after a plan has been transformed.Classorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
SchemaResetterClassorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
SchemaTupleA SchemaTuple is a type aware tuple that is much faster and more memory efficient.Classorg.apache.pig.dataApache Pigjavadoc
SchemaTupleBackendClassorg.apache.pig.dataApache Pigjavadoc
SchemaTupleClassGeneratorThis class encapsulates the generation of SchemaTuples, as well as some logic around shipping code to the distributed cache.Classorg.apache.pig.dataApache Pigjavadoc
SchemaTupleFactoryThis is an implementation of TupleFactory that will instantiate SchemaTuple's.Classorg.apache.pig.dataApache Pigjavadoc
SchemaTupleFrontendThis class is to be used at job creation time.Classorg.apache.pig.dataApache Pigjavadoc
SchemaUtilA utility class for simplify the schema creation, especially for bag and tuple schema.Classorg.apache.pig.impl.logicalLayer.schemaApache Pigjavadoc
ScriptEngineClassorg.apache.pig.scriptingApache Pigjavadoc
ScriptPigContextContext for embedded Pig script.Classorg.apache.pig.scriptingApache Pigjavadoc

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ScriptStateScriptStates encapsulates settings for a Pig script that runs on a hadoop cluster.Classorg.apache.pig.tools.pigstatsApache Pigjavadoc
SecondaryKeyOptimizerClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
SecondaryKeyPartitionerClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitionersApache Pigjavadoc
SecondsBetweenSecondsBetween returns the number of seconds between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
SedesHelperClassorg.apache.pig.data.utilsApache Pigjavadoc
SeekableInputStreamUnix-like API for an input stream that supports random access.Classorg.apache.pig.backend.datastorageApache Pigjavadoc
SelfSpillBagClass to hold code common to self spilling bags such as InternalCachedBagSee Also:Serialized FormClassorg.apache.pig.dataApache Pigjavadoc
SINSIN implements a binding to the Java function Given a single data atom it Returns the sine of the argument.Classorg.apache.pig.builtinApache Pigjavadoc
SingleTupleBagA simple performant implementation of the DataBag interface which only holds a single tuple.Classorg.apache.pig.dataApache Pigjavadoc
SINHSINH implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
SIZEGenerates the size of the argument passed to it.Classorg.apache.pig.builtinApache Pigjavadoc
SizeUtilClassorg.apache.pig.dataApache Pigjavadoc
SkewedPartitionerThis class is used by skewed join.Classorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitionersApache Pigjavadoc
SortColInfoA class representing information about a sort column in SortInfoSee Also:Serialized FormClassorg.apache.pigApache Pigjavadoc
SortedDataBagAn ordered collection of Tuples (possibly) with multiples.Classorg.apache.pig.dataApache Pigjavadoc
SortedSpillBagCommon functionality for proactively spilling bags that need to keep the dataSee Also:Serialized FormClassorg.apache.pig.dataApache Pigjavadoc
SortInfoClass to communicate sort column information based on order by statment's sort columns and schemaClassorg.apache.pigApache Pigjavadoc
SortInfoSetterClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
SortKeyInfoClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
SourceLocationClassorg.apache.pig.parserApache Pigjavadoc
SpillableInterfaceorg.apache.pig.impl.utilApache Pigjavadoc
SpillableMemoryManagerThis class Tracks the tenured pool and a list of Spillable objects.Classorg.apache.pig.impl.utilApache Pigjavadoc
SplitFilterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
SQRTSQRT implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
STARTSWITHPig UDF to test input tuple.Classorg.apache.pig.builtinApache Pigjavadoc

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StorageA convenient mock Storage for unit tests PigServer pigServer = new PigServer(ExecType.Classorg.apache.pig.builtin.mockApache Pigjavadoc
StorageUtilThis util class provides methods that are shared by storage class PigStorage and streaming class PigStreamingClassorg.apache.pig.impl.utilApache Pigjavadoc
StoreAliasSetterClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
StoreCasterAn interface that provides methods for converting Pig internal types to byte[].Interfaceorg.apache.pigApache Pigjavadoc
StoreFuncStoreFuncs take records from Pig's processing and store them into a data store.Classorg.apache.pigApache Pigjavadoc
StoreFuncInterfaceStoreFuncs take records from Pig's processing and store them into a data store.Interfaceorg.apache.pigApache Pigjavadoc
StoreFuncMetadataWrapperConvenience class to extend when decorating a class that implements both StoreFunc and StoreMetadata.Classorg.apache.pigApache Pigjavadoc
StoreFuncWrapperConvenience class to extend when decorating a StoreFunc.Classorg.apache.pigApache Pigjavadoc
StoreMetadataThis interface defines how to write metadata related to data to be stored.Interfaceorg.apache.pigApache Pigjavadoc
StreamGeneratorClassorg.apache.pig.tools.streamsApache Pigjavadoc
StreamingCommandStreamingCommand represents the specification of an external command to be executed in a Pig Query.Classorg.apache.pig.impl.streamingApache Pigjavadoc
StreamingCommandUtilsClassorg.apache.pig.parserApache Pigjavadoc
StreamToPigThe interface is used for the custom mapping of a byte array, received from the stdout of the streaming process, to a Tuple.Interfaceorg.apache.pigApache Pigjavadoc
StreamTypeCastInserterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
StringConcatThis method should never be used directly, use CONCAT.Classorg.apache.pig.builtinApache Pigjavadoc
StringMaxThis method should never be used directly, use MAX.Classorg.apache.pig.builtinApache Pigjavadoc
StringMinThis method should never be used directly, use MIN.Classorg.apache.pig.builtinApache Pigjavadoc
StringSizeThis method should never be used directly, use SIZE.Classorg.apache.pig.builtinApache Pigjavadoc
StringUtilsClassorg.apache.pig.impl.utilApache Pigjavadoc
STRSPLITWrapper around Java's String.Classorg.apache.pig.builtinApache Pigjavadoc
StructuresHelperClassorg.apache.pig.data.utilsApache Pigjavadoc
SUBSTRINGSUBSTRING implements eval function to get a part of a string.Classorg.apache.pig.builtinApache Pigjavadoc
SubtractClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
SubtractDurationSubtractDuration returns the result of a DateTime object plus a Duration object Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
SubtractExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc

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SubtreeDependencyOrderWalkerClassorg.apache.pig.newplanApache Pigjavadoc
SUMGenerates the sum of a set of values.Classorg.apache.pig.builtinApache Pigjavadoc
TANTAN implements a binding to the Java function Given a single data atom it Returns the tangent of the argument.Classorg.apache.pig.builtinApache Pigjavadoc
TANHTANH implements a binding to the Java function Math.Classorg.apache.pig.builtinApache Pigjavadoc
TargetedTupleA tuple composed with the operators to which it needs be attachedClassorg.apache.pig.dataApache Pigjavadoc
TerminatingAccumulatorThis is an interface which, if implemented, allows an Accumulator function to signal that it can terminate early.Interfaceorg.apache.pigApache Pigjavadoc
TextLoaderThis load function simply creates a tuple for each line of text that has a single chararray field thatClassorg.apache.pig.builtinApache Pigjavadoc
TFileRecordReaderA record reader used to read data written using InterRecordWriter It uses the default InterSedes object for deserialization.Classorg.apache.pig.impl.ioApache Pigjavadoc
TFileRecordWriterA record reader used to write data compatible with InterRecordWriter It uses the default InterSedes object for serialization.Classorg.apache.pig.impl.ioApache Pigjavadoc
TFileStorageLOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs of a pig query.Classorg.apache.pig.impl.ioApache Pigjavadoc
TimestampedTupleClassorg.apache.pig.dataApache Pigjavadoc
TOBAGThis class takes a list of items and puts them into a bag T = foreach U generate TOBAG($0, $1, $2);Classorg.apache.pig.builtinApache Pigjavadoc
ToDateToDate converts the ISO or the customized string or the Unix timestamp to the DateTime object.Classorg.apache.pig.builtinApache Pigjavadoc
ToDate2ARGSThis method should never be used directly, use ToDate.Classorg.apache.pig.builtinApache Pigjavadoc
ToDate3ARGSThis method should never be used directly, use ToDate.Classorg.apache.pig.builtinApache Pigjavadoc
ToDateISOThis method should never be used directly, use ToDate.Classorg.apache.pig.builtinApache Pigjavadoc
TOKENIZEGiven a chararray as an argument, this method will split the chararray and return a bag with a tuple for each chararray that results from the split.Classorg.apache.pig.builtinApache Pigjavadoc
TOMAPThis class makes a map out of the parameters passed to it T = foreach U generate TOMAP($0, $1, $2, $3);Classorg.apache.pig.builtinApache Pigjavadoc
ToMilliSeconds ToUnixTime converts the DateTime to the number of milliseconds that have passed since January 1, 1970 00:00:00.Classorg.apache.pig.builtinApache Pigjavadoc
ToolsPigServerToolsPigServer is a subclass of PigServer intended only for Pig tools.Classorg.apache.pig.toolsApache Pigjavadoc
TOPTop UDF accepts a bag of tuples and returns top-n tuples depending upon the tuple field value of type long.Classorg.apache.pig.builtinApache Pigjavadoc
ToStringToString converts the DateTime object of the ISO or the customized string.Classorg.apache.pig.builtinApache Pigjavadoc
TOTUPLEThis class makes a tuple out of the parameter T = foreach U generate TOTUPLE($0, $1, $2);Classorg.apache.pig.builtinApache Pigjavadoc
ToUnixTimeToUnixTime converts the DateTime to the Unix Time Long Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
TransformerClassorg.apache.pig.newplan.optimizerApache Pigjavadoc

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TRIMReturns a string, with leading and trailing whitespace omitted.Classorg.apache.pig.builtinApache Pigjavadoc
TupleAn ordered list of Data.Interfaceorg.apache.pig.dataApache Pigjavadoc
TupleFactoryA factory to construct tuples.Classorg.apache.pig.dataApache Pigjavadoc
TupleFormatDefault implementation of format of Tuple.Classorg.apache.pig.impl.utilApache Pigjavadoc
TupleRawComparatorThis interface is intended to compare Tuples.Interfaceorg.apache.pig.dataApache Pigjavadoc
TupleSizeThis method should never be used directly, use SIZE.Classorg.apache.pig.builtinApache Pigjavadoc
TypeAwareTupleInterfaceorg.apache.pig.dataApache Pigjavadoc
TypeCastInserterClassorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
TypeCheckerExceptionClassorg.apache.pig.impl.logicalLayer.validatorsApache Pigjavadoc
TypeCheckingExpVisitorClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
TypeCheckingRelVisitorClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
TypedOutputEvalFuncBase class for Pig UDFs that are functions from Tuples to generic type OUT.Classorg.apache.pigApache Pigjavadoc
UCFIRSTClassorg.apache.pig.builtinApache Pigjavadoc
UDFContextClassorg.apache.pig.impl.utilApache Pigjavadoc
UDFFinderClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plansApache Pigjavadoc
UDFFinderClassorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
UDFFinishVisitorClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayerApache Pigjavadoc
UidResetterClassorg.apache.pig.newplan.logical.optimizerApache Pigjavadoc
UnaryComparisonOperatorThis is a base class for all unary comparison operators.Classorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
UnaryExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
UnaryExpressionOperatorClassorg.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperatorsApache Pigjavadoc
UndefinedAliasExceptionClassorg.apache.pig.parserApache Pigjavadoc
UnionOnSchemaSetterA visitor that modifies the logical plan (if necessary) for union-onschema functionality.Classorg.apache.pig.newplan.logical.visitorApache Pigjavadoc
UPPERUPPER implements eval function to convert a string to upper case A = load 'mydata' as (name);Classorg.apache.pig.builtinApache Pigjavadoc
UriUtilClassorg.apache.pig.impl.utilApache Pigjavadoc

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UserFuncExpressionClassorg.apache.pig.newplan.logical.expressionApache Pigjavadoc
Utf8StorageConverterThis abstract class provides standard conversions between utf8 encoded data and pig data types.Classorg.apache.pig.builtinApache Pigjavadoc
UtilClassorg.apache.pig.newplan.logicalApache Pigjavadoc
UtilsClassorg.apache.pig.impl.utilApache Pigjavadoc
VALUELISTThis UDF takes a Map and returns a Bag containing the values from map.Classorg.apache.pig.builtinApache Pigjavadoc
VALUESETThis UDF takes a Map and returns a Tuple containing the value set.Classorg.apache.pig.builtinApache Pigjavadoc
VisitorExceptionClassorg.apache.pig.impl.planApache Pigjavadoc
WeeksBetweenWeeksBetween returns the number of weeks between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc
WeightedRangePartitionerClassorg.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitionersApache Pigjavadoc
WholePlanRuleSuper class for all rules that operates on the whole plan.Classorg.apache.pig.newplan.logical.rulesApache Pigjavadoc
WrappedIOExceptionClassorg.apache.pig.impl.utilApache Pigjavadoc
YearsBetweenYearsBetween returns the number of years between two DateTime objects Jodatime: http://joda-time.Classorg.apache.pig.builtinApache Pigjavadoc

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