com.facebook.presto.operator.aggregation.arrayagg

Class ArrayAggregationFunction

java.lang.Object

com.facebook.presto.metadata.BuiltInFunction

com.facebook.presto.metadata.SqlAggregationFunction

com.facebook.presto.operator.aggregation.arrayagg.ArrayAggregationFunction

All Implemented Interfaces:

SqlFunction

public class ArrayAggregationFunction
extends SqlAggregationFunction

Constructor Summary

Constructors

Constructor and Description
ArrayAggregationFunction(boolean legacyArrayAgg, ArrayAggGroupImplementation groupMode)

Method Summary

Modifier and Type	Method and Description
static void	combine(Type type, ArrayAggregationState state, ArrayAggregationState otherState)
String	getDescription()
static void	input(Type type, ArrayAggregationState state, Block value, int position)
static void	output(Type elementType, ArrayAggregationState state, BlockBuilder out)
BuiltInAggregationFunctionImplementation	specialize(BoundVariables boundVariables, int arity, FunctionAndTypeManager functionAndTypeManager)

Methods inherited from class com.facebook.presto.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getSignature, getVisibility, isDeterministic

Methods inherited from class com.facebook.presto.metadata.BuiltInFunction

isCalledOnNullInput

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayAggregationFunction

public ArrayAggregationFunction(boolean legacyArrayAgg,
                                ArrayAggGroupImplementation groupMode)

Method Detail

getDescription

public String getDescription()

specialize

public BuiltInAggregationFunctionImplementation specialize(BoundVariables boundVariables,
                                                           int arity,
                                                           FunctionAndTypeManager functionAndTypeManager)

Specified by:

specialize in class SqlAggregationFunction

input

public static void input(Type type,
                         ArrayAggregationState state,
                         Block value,
                         int position)

combine

public static void combine(Type type,
                           ArrayAggregationState state,
                           ArrayAggregationState otherState)

output

public static void output(Type elementType,
                          ArrayAggregationState state,
                          BlockBuilder out)