org.apache.datasketches.pig.quantiles

Class UnionStringsSketch

java.lang.Object

org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

org.apache.datasketches.pig.quantiles.UnionItemsSketch<String>

org.apache.datasketches.pig.quantiles.UnionStringsSketch

All Implemented Interfaces:

org.apache.pig.Accumulator<org.apache.pig.data.Tuple>, org.apache.pig.Algebraic

public class UnionStringsSketch
extends UnionItemsSketch<String>

Computes union of ItemsSketch<String>. It supports all three ways: exec(), Accumulator and Algebraic

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UnionStringsSketch.UnionStringsSketchIntermediateFinal

Nested classes/interfaces inherited from class org.apache.datasketches.pig.quantiles.UnionItemsSketch

UnionItemsSketch.UnionItemsSketchInitial, UnionItemsSketch.UnionItemsSketchIntermediateFinal<T>

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

org.apache.pig.EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor and Description
UnionStringsSketch()
UnionStringsSketch(String kStr)

Method Summary

Modifier and Type	Method and Description
String	getFinal()
String	getInitial()
String	getIntermed()

Methods inherited from class org.apache.datasketches.pig.quantiles.UnionItemsSketch

accumulate, cleanup, exec, getValue, outputSchema

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UnionStringsSketch

public UnionStringsSketch()

UnionStringsSketch

public UnionStringsSketch(String kStr)

Method Detail

getInitial

public String getInitial()

getIntermed

public String getIntermed()

getFinal

public String getFinal()