Name | Description | Type | Package | Framework |
BagFormat | Class | org.apache.pig.impl.util | Apache Pig | |
BinStorageInputFormat | Class | org.apache.pig.impl.io | Apache Pig | |
BinStorageOutputFormat | Class | org.apache.pig.impl.io | Apache Pig | |
BinStorageRecordReader | Treats keys as offset in file and value as line. | Class | org.apache.pig.impl.io | Apache Pig |
BinStorageRecordWriter | Class | org.apache.pig.impl.io | Apache Pig | |
BufferedPositionedInputStream | Class | org.apache.pig.impl.io | Apache Pig | |
CanonicalNamer | A visitor to walk the logical plan and give canonical names fields. | Class | org.apache.pig.impl.logicalLayer | Apache Pig |
CastUtils | Class | org.apache.pig.impl.util | Apache Pig | |
CompilationMessageCollector | This class is used for collecting all messages (error + warning) in compilation process. | Class | org.apache.pig.impl.plan | Apache Pig |
CompilationMessageCollector .Message | Class | org.apache.pig.impl.plan.CompilationMessageCollector | Apache Pig | |
CompilationMessageCollector .MessageType | Class | org.apache.pig.impl.plan.CompilationMessageCollector | Apache Pig | |
CompilerUtils | Class | org.apache.pig.impl.util | Apache Pig | |
ConfigurationValidator | Class | org.apache.pig.impl.util | Apache Pig | |
DefaultIndexableLoader | Used by MergeJoin . | Class | org.apache.pig.impl.builtin | Apache Pig |
DefaultInputHandler | DefaultInputHandler handles the input for the Pig-Streaming executable in a synchronous manner by feeding it input | Class | org.apache.pig.impl.streaming | Apache Pig |
DefaultOutputHandler | FileOutputHandler handles the output from the Pig-Streaming executable in an synchronous manner by reading its output | Class | org.apache.pig.impl.streaming | Apache Pig |
DependencyOrderWalker | DependencyOrderWalker traverses the graph in such a way that no node is visited before all the nodes it depends on have been visited. | Class | org.apache.pig.impl.plan | Apache Pig |
DepthFirstWalker | DepthFirstWalker traverses a plan in a depth first manner. | Class | org.apache.pig.impl.plan | Apache Pig |
DotPlanDumper | This class puts everything that is needed to dump a plan in a format readable by graphviz's dot algorithm. | Class | org.apache.pig.impl.plan | Apache Pig |
ExecutableManager | ExecutableManager manages an external executable which processes data The ExecutableManager is responsible for startup/teardown of | Class | org.apache.pig.impl.streaming | Apache Pig |
FileInputHandler | FileInputHandler handles the input for the Pig-Streaming executable in an asynchronous manner by feeding it input | Class | org.apache.pig.impl.streaming | Apache Pig |
FileLocalizer | Class | org.apache.pig.impl.io | Apache Pig | |
FileLocalizer .DataStorageInputStreamIterator | Class | org.apache.pig.impl.io.FileLocalizer | Apache Pig | |
FileLocalizer .FetchFileRet | Class | org.apache.pig.impl.io.FileLocalizer | Apache Pig | |
FileOutputHandler | FileOutputHandler handles the output from the Pig-Streaming executable in an asynchronous manner by reading it from | Class | org.apache.pig.impl.streaming | Apache Pig |
FileSpec | A simple class that specifies a file name and storage function which is used to read/write itSee Also:Serialized Form | Class | org.apache.pig.impl.io | Apache Pig |
FindQuantiles | Class | org.apache.pig.impl.builtin | Apache Pig | |
FrontendException | Class | org.apache.pig.impl.logicalLayer | Apache Pig | |
GetMemNumRows | UDF to get memory size of a tuple and extracts number of rows value from special tuple created by PoissonSampleLoader | Class | org.apache.pig.impl.builtin | Apache Pig |
GFAny | built-in grouping function; permits system to choose any grouping. | Class | org.apache.pig.impl.builtin | Apache Pig |
GFCross | Class | org.apache.pig.impl.builtin | Apache Pig | |
GFReplicate | Class | org.apache.pig.impl.builtin | Apache Pig | |
HandlerFactory | Factory to create an InputHandler or OutputHandler depending on the specification of the StreamingCommand. | Class | org.apache.pig.impl.streaming | Apache Pig |
IdentityColumn | Returns the input, used by DuplicateForEachColumnRewrite to rewrite duplicate columns in ForEach. | Class | org.apache.pig.impl.builtin | Apache Pig |
IdentityHashSet | Class | org.apache.pig.impl.util | Apache Pig | |
InputHandler | InputHandler is responsible for handling the input to the Pig-Streaming external command. | Class | org.apache.pig.impl.streaming | Apache Pig |
InputHandler .InputType | Class | org.apache.pig.impl.streaming.InputHandler | Apache Pig | |
InterRecordReader | A record reader used to read data written using InterRecordWriter It uses the default InterSedes object for deserialization. | Class | org.apache.pig.impl.io | Apache Pig |
InterRecordWriter | A record reader used to write data compatible with InterRecordWriter It uses the default InterSedes object for serialization. | Class | org.apache.pig.impl.io | Apache Pig |
InterStorage | LOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs of | Class | org.apache.pig.impl.io | Apache Pig |
InterStorage .InterInputFormat | Class | org.apache.pig.impl.io.InterStorage | Apache Pig | |
InterStorage .InterOutputFormat | Class | org.apache.pig.impl.io.InterStorage | Apache Pig | |
JarManager | Class | org.apache.pig.impl.util | Apache Pig | |
JavaCompilerHelper | Class | org.apache.pig.impl.util | Apache Pig | |
JavaCompilerHelper .JavaSourceFromString | Class | org.apache.pig.impl.util.JavaCompilerHelper | Apache Pig | |
LineageTracer | Class | org.apache.pig.impl.util | Apache Pig | |
LinkedMultiMap | Class | org.apache.pig.impl.util | Apache Pig | |
LogUtils | Class | org.apache.pig.impl.util | Apache Pig | |
MapKeysInfo | Class | org.apache.pig.impl.plan | Apache Pig | |
MultiMap | An implementation of multi-map. | Class | org.apache.pig.impl.util | Apache Pig |
NodeIdGenerator | Class | org.apache.pig.impl.plan | Apache Pig | |
NullableBag | Class | org.apache.pig.impl.io | Apache Pig | |
NullableBooleanWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableBytesWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableDateTimeWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableDoubleWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableFloatWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableIntWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullableLongWritable | Class | org.apache.pig.impl.io | Apache Pig | |
NullablePartitionWritable | NullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class. | Class | org.apache.pig.impl.io | Apache Pig |
NullableText | Class | org.apache.pig.impl.io | Apache Pig | |
NullableTuple | Class | org.apache.pig.impl.io | Apache Pig | |
NullableUnknownWritable | This class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object. | Class | org.apache.pig.impl.io | Apache Pig |
NumValCarrier | Class | org.apache.pig.impl.util | Apache Pig | |
ObjectSerializer | Class | org.apache.pig.impl.util | Apache Pig | |
Operator | Base class for all types of operators. | Class | org.apache.pig.impl.plan | Apache Pig |
OperatorKey | Class | org.apache.pig.impl.plan | Apache Pig | |
OperatorPlan | A generic graphing class for use by LogicalPlan, PhysicalPlan, etc. | Class | org.apache.pig.impl.plan | Apache Pig |
OperatorPlan .IndexHelper | Class | org.apache.pig.impl.plan.OperatorPlan | Apache Pig | |
OptimizerException | Class | org.apache.pig.impl.plan.optimizer | Apache Pig | |
OutputHandler | OutputHandler is responsible for handling the output of the Pig-Streaming external command. | Class | org.apache.pig.impl.streaming | Apache Pig |
OutputHandler .OutputType | Class | org.apache.pig.impl.streaming.OutputHandler | Apache Pig | |
Pair | Copy of C++ STL pair container. | Class | org.apache.pig.impl.util | Apache Pig |
PartitionSkewedKeys | Partition reducers for skewed keys. | Class | org.apache.pig.impl.builtin | Apache Pig |
PigContext | Class | org.apache.pig.impl | Apache Pig | |
PigFile | Class | org.apache.pig.impl.io | Apache Pig | |
PigNullableWritable | A base class for all types that pig uses to move data between map and reduce. | Class | org.apache.pig.impl.io | Apache Pig |
PlanDumper | This class dumps a nested plan to a print stream. | Class | org.apache.pig.impl.plan | Apache Pig |
PlanException | Class | org.apache.pig.impl.plan | Apache Pig | |
PlanValidationException | Class | org.apache.pig.impl.plan | Apache Pig | |
PlanVisitor | A visitor mechanism for navigating and operating on a plan of Operators. | Class | org.apache.pig.impl.plan | Apache Pig |
PlanWalker | PlanWalker encapsulates the logic to traverse a plan. | Class | org.apache.pig.impl.plan | Apache Pig |
PoissonSampleLoader | See "Skewed Join sampler" in http://wiki. | Class | org.apache.pig.impl.builtin | Apache Pig |
ProjectionMap | A struct detailing how a projection is altered by an operator. | Class | org.apache.pig.impl.plan | Apache Pig |
ProjectionMap .Column | A wrapper for projection map columns to contain the input number, input column. | Class | org.apache.pig.impl.plan.ProjectionMap | Apache Pig |
PropertiesUtil | Class | org.apache.pig.impl.util | Apache Pig | |
RandomSampleLoader | A loader that samples the data. | Class | org.apache.pig.impl.builtin | Apache Pig |
ReadScalars | ReadScalars reads a line from a file and returns it as its value. | Class | org.apache.pig.impl.builtin | Apache Pig |
ReadToEndLoader | This 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 | Class | org.apache.pig.impl.io | Apache Pig |
RequiredFields | A struct detailing how a projection is altered by an operator. | Class | org.apache.pig.impl.plan | Apache Pig |
ResourceNotFoundException | Class | org.apache.pig.impl.io | Apache Pig | |
ReverseDependencyOrderWalker | ReverseDependencyOrderWalker traverses the graph in such a way that no node is visited before all the nodes that are its successors on have been visited. | Class | org.apache.pig.impl.plan | Apache Pig |
RewindableIterator | Class | org.apache.pig.impl.util | Apache Pig | |
SampleLoader | Class | org.apache.pig.impl.builtin | Apache Pig | |
Schema | The Schema class encapsulates the notion of a schema for a relational operator. | Class | org.apache.pig.impl.logicalLayer.schema | Apache Pig |
Schema .FieldSchema | Class | org.apache.pig.impl.logicalLayer.schema.Schema | Apache Pig | |
SchemaMergeException | Class | org.apache.pig.impl.logicalLayer.schema | Apache Pig | |
SchemaUtil | A utility class for simplify the schema creation, especially for bag and tuple schema. | Class | org.apache.pig.impl.logicalLayer.schema | Apache Pig |
Spillable | Interface | org.apache.pig.impl.util | Apache Pig | |
SpillableMemoryManager | This class Tracks the tenured pool and a list of Spillable objects. | Class | org.apache.pig.impl.util | Apache Pig |
StorageUtil | This util class provides methods that are shared by storage class PigStorage and streaming class PigStreaming | Class | org.apache.pig.impl.util | Apache Pig |
StreamingCommand | StreamingCommand represents the specification of an external command to be executed in a Pig Query. | Class | org.apache.pig.impl.streaming | Apache Pig |
StreamingCommand .Handle | Handle to communicate with the external process. | Class | org.apache.pig.impl.streaming.StreamingCommand | Apache Pig |
StreamingCommand .HandleSpec | Specification about the usage of the StreamingCommand. | Class | org.apache.pig.impl.streaming.StreamingCommand | Apache Pig |
StringUtils | Class | org.apache.pig.impl.util | Apache Pig | |
TFileRecordReader | A record reader used to read data written using InterRecordWriter It uses the default InterSedes object for deserialization. | Class | org.apache.pig.impl.io | Apache Pig |
TFileRecordWriter | A record reader used to write data compatible with InterRecordWriter It uses the default InterSedes object for serialization. | Class | org.apache.pig.impl.io | Apache Pig |
TFileStorage | LOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs of a pig query. | Class | org.apache.pig.impl.io | Apache Pig |
TFileStorage .TFileInputFormat | Class | org.apache.pig.impl.io.TFileStorage | Apache Pig | |
TFileStorage .TFileOutputFormat | Class | org.apache.pig.impl.io.TFileStorage | Apache Pig | |
TupleFormat | Default implementation of format of Tuple. | Class | org.apache.pig.impl.util | Apache Pig |
TypeCheckerException | Class | org.apache.pig.impl.logicalLayer.validators | Apache Pig | |
UDFContext | Class | org.apache.pig.impl.util | Apache Pig | |
UriUtil | Class | org.apache.pig.impl.util | Apache Pig | |
Utils | Class | org.apache.pig.impl.util | Apache Pig | |
VisitorException | Class | org.apache.pig.impl.plan | Apache Pig | |
WrappedIOException | Class | org.apache.pig.impl.util | Apache Pig | |