org.apache.beam.sdk.extensions.sql.impl.transform

Class BeamBuiltinAnalyticFunctions

java.lang.Object

org.apache.beam.sdk.extensions.sql.impl.transform.BeamBuiltinAnalyticFunctions

public class BeamBuiltinAnalyticFunctions
extends java.lang.Object

Built-in Analytic Functions for the aggregation analytics functionality.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,AccumT,OutputT>

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Map<java.lang.String,java.util.function.Function<Schema.FieldType,Combine.CombineFn<?,?,?>>>	BUILTIN_ANALYTIC_FACTORIES

Constructor Summary

Constructors

Constructor and Description
BeamBuiltinAnalyticFunctions()

Method Summary

Modifier and Type	Method and Description
static Combine.CombineFn<?,?,?>	create(java.lang.String functionName, Schema.FieldType fieldType)
static <T> Combine.CombineFn<T,?,T>	navigationFirstValue()
static <T> Combine.CombineFn<T,?,T>	navigationLastValue()
static <T> Combine.CombineFn<T,?,T>	numberingDenseRank()
static <T> Combine.CombineFn<T,?,T>	numberingPercentRank()
static <T> Combine.CombineFn<T,?,T>	numberingRank()
static <T> Combine.CombineFn<T,?,T>	numberingRowNumber()

Methods inherited from class java.lang.Object

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

Field Detail

BUILTIN_ANALYTIC_FACTORIES

public static final java.util.Map<java.lang.String,java.util.function.Function<Schema.FieldType,Combine.CombineFn<?,?,?>>> BUILTIN_ANALYTIC_FACTORIES

Constructor Detail

BeamBuiltinAnalyticFunctions

public BeamBuiltinAnalyticFunctions()

Method Detail

create

public static Combine.CombineFn<?,?,?> create(java.lang.String functionName,
                                              Schema.FieldType fieldType)

navigationFirstValue

public static <T> Combine.CombineFn<T,?,T> navigationFirstValue()

navigationLastValue

public static <T> Combine.CombineFn<T,?,T> navigationLastValue()

numberingRowNumber

public static <T> Combine.CombineFn<T,?,T> numberingRowNumber()

numberingDenseRank

public static <T> Combine.CombineFn<T,?,T> numberingDenseRank()

numberingRank

public static <T> Combine.CombineFn<T,?,T> numberingRank()

numberingPercentRank

public static <T> Combine.CombineFn<T,?,T> numberingPercentRank()