Uses of Class
org.apache.pig.LoadFunc

Packages that use LoadFunc

Package	Description
org.apache.pig	Public interfaces and classes for Pig.
org.apache.pig.backend.hadoop.accumulo
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
org.apache.pig.backend.hadoop.executionengine.tez.plan.operator
org.apache.pig.backend.hadoop.hbase
org.apache.pig.builtin	This package contains builtin Pig UDFs.
org.apache.pig.builtin.mock
org.apache.pig.impl.builtin
org.apache.pig.impl.io
org.apache.pig.impl.util
org.apache.pig.newplan.logical.relational

Uses of LoadFunc in org.apache.pig

Subclasses of LoadFunc in org.apache.pig

Modifier and Type	Class and Description
class	FileInputLoadFunc This class provides an implementation of OrderedLoadFunc interface which can be optionally re-used by LoadFuncs that use FileInputFormat, by having this as a super class
class	LoadFuncMetadataWrapper Convenience class to extend when decorating a class that extends LoadFunc and implements LoadMetadata.
class	LoadFuncWrapper Convenience class to extend when decorating a LoadFunc.

Methods in org.apache.pig that return LoadFunc

Modifier and Type	Method and Description
protected LoadFunc	LoadFuncWrapper.loadFunc()

Methods in org.apache.pig with parameters of type LoadFunc

Modifier and Type	Method and Description
protected void	LoadFuncWrapper.setLoadFunc(LoadFunc loadFunc) The wrapped LoadFunc object must be set before method calls are made on this object.

Uses of LoadFunc in org.apache.pig.backend.hadoop.accumulo

Subclasses of LoadFunc in org.apache.pig.backend.hadoop.accumulo

Modifier and Type	Class and Description
class	AbstractAccumuloStorage A LoadStoreFunc for retrieving data from and storing data to Accumulo A Key/Val pair will be returned as tuples: (key, colfam, colqual, colvis, timestamp, value).
class	AccumuloStorage Basic PigStorage implementation that uses Accumulo as the backing store.

Uses of LoadFunc in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Subclasses of LoadFunc in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Modifier and Type	Class and Description
class	MergeJoinIndexer Merge Join indexer is used to generate on the fly index for doing Merge Join efficiently.

Uses of LoadFunc in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators

Fields in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators declared as LoadFunc

Modifier and Type	Field and Description
protected LoadFunc	POMergeJoin.rightLoader

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators that return LoadFunc

Modifier and Type	Method and Description
LoadFunc	LoadFuncDecorator.getLoader()
LoadFunc	POLoad.getLoadFunc()
protected LoadFunc	POMergeJoinTez.getRightLoader()
protected LoadFunc	POMergeJoin.getRightLoader() Instantiate right loader

Constructors in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators with parameters of type LoadFunc

Constructor and Description
LoadFuncDecorator(LoadFunc loader, java.lang.String udfSignature)
POLoad(OperatorKey k, LoadFunc lf)

Uses of LoadFunc in org.apache.pig.backend.hadoop.executionengine.tez.plan.operator

Constructors in org.apache.pig.backend.hadoop.executionengine.tez.plan.operator with parameters of type LoadFunc

Constructor and Description
POSimpleTezLoad(OperatorKey k, LoadFunc loader)

Uses of LoadFunc in org.apache.pig.backend.hadoop.hbase

Subclasses of LoadFunc in org.apache.pig.backend.hadoop.hbase

Modifier and Type	Class and Description
class	HBaseStorage A HBase implementation of LoadFunc and StoreFunc.

Uses of LoadFunc in org.apache.pig.builtin

Subclasses of LoadFunc in org.apache.pig.builtin

Modifier and Type	Class and Description
class	AvroStorage Pig UDF for reading and writing Avro data.
class	BinStorage Load and store data in a binary format.
class	JsonLoader A loader for data stored using JsonStorage.
class	OrcStorage A load function and store function for ORC file.
class	ParquetLoader Wrapper class which will delegate calls to parquet.pig.ParquetLoader
class	PigStorage A load function that parses a line of input into fields using a character delimiter.
class	TextLoader This load function simply creates a tuple for each line of text that has a single chararray field that contains the line of text.
class	TrevniStorage Pig Store/Load Function for Trevni.

Uses of LoadFunc in org.apache.pig.builtin.mock

Subclasses of LoadFunc in org.apache.pig.builtin.mock

Modifier and Type	Class and Description
class	Storage A convenient mock Storage for unit tests

Uses of LoadFunc in org.apache.pig.impl.builtin

Subclasses of LoadFunc in org.apache.pig.impl.builtin

Modifier and Type	Class and Description
class	DefaultIndexableLoader Used by MergeJoin .
class	PoissonSampleLoader See "Skewed Join sampler" in http://wiki.apache.org/pig/PigSampler
class	RandomSampleLoader A loader that samples the data.
class	SampleLoader Abstract class that specifies the interface for sample loaders
class	TezIndexableLoader

Fields in org.apache.pig.impl.builtin declared as LoadFunc

Modifier and Type	Field and Description
protected LoadFunc	SampleLoader.loader

Uses of LoadFunc in org.apache.pig.impl.io

Subclasses of LoadFunc in org.apache.pig.impl.io

Modifier and Type	Class and Description
class	InterStorage LOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs of a pig query.
class	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 which is used to look in the List returned by the underlying InputFormat's getSplits() method).
class	SequenceFileInterStorage Store tuples (BinSedesTuples, specifically) using sequence files to leverage sequence file's compression features.
class	TFileStorage LOAD FUNCTION FOR PIG INTERNAL USE ONLY! This load function is used for storing intermediate data between MR jobs of a pig query.

Methods in org.apache.pig.impl.io with parameters of type LoadFunc

Modifier and Type	Method and Description
DataBag	PigFile.load(LoadFunc lfunc, PigContext pigContext)

Constructors in org.apache.pig.impl.io with parameters of type LoadFunc

Constructor and Description
ReadToEndLoader(LoadFunc wrappedLoadFunc, org.apache.hadoop.conf.Configuration conf, java.lang.String inputLocation, int splitIndex)
ReadToEndLoader(LoadFunc wrappedLoadFunc, org.apache.hadoop.conf.Configuration conf, java.lang.String inputLocation, int[] toReadSplitIdxs) This constructor takes an array of split indexes (toReadSplitIdxs) of the splits to be read.
ReadToEndLoader(LoadFunc wrappedLoadFunc, org.apache.hadoop.conf.Configuration conf, java.lang.String inputLocation, int splitIndex, java.lang.String signature)

Uses of LoadFunc in org.apache.pig.impl.util

Methods in org.apache.pig.impl.util with parameters of type LoadFunc

Modifier and Type	Method and Description
static ResourceSchema	Utils.getSchema(LoadFunc wrappedLoadFunc, java.lang.String location, boolean checkExistence, org.apache.hadoop.mapreduce.Job job)

Uses of LoadFunc in org.apache.pig.newplan.logical.relational

Methods in org.apache.pig.newplan.logical.relational that return LoadFunc

Modifier and Type	Method and Description
LoadFunc	LOLoad.getLoadFunc()

Constructors in org.apache.pig.newplan.logical.relational with parameters of type LoadFunc

Constructor and Description
LOLoad(FileSpec loader, LogicalSchema schema, LogicalPlan plan, org.apache.hadoop.conf.Configuration conf, LoadFunc loadFunc, java.lang.String signature) Used from the LogicalPlanBuilder