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

Class BeamBuiltinAggregations

java.lang.Object

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

public class BeamBuiltinAggregations
extends java.lang.Object

Built-in aggregations functions for COUNT/MAX/MIN/SUM/AVG/VAR_POP/VAR_SAMP.

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_AGGREGATOR_FACTORIES

Constructor Summary

Constructors

Constructor and Description
BeamBuiltinAggregations()

Method Summary

Modifier and Type	Method and Description
static Combine.CombineFn<?,?,?>	create(java.lang.String functionName, Schema.FieldType fieldType)

Methods inherited from class java.lang.Object

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

Field Detail

BUILTIN_AGGREGATOR_FACTORIES

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

Constructor Detail

BeamBuiltinAggregations

public BeamBuiltinAggregations()

Method Detail

create

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