io.prestosql.operator.aggregation.multimapagg

Class MultimapAggregationFunction

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.multimapagg.MultimapAggregationFunction

All Implemented Interfaces:

SqlFunction

public class MultimapAggregationFunction
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME

Constructor Summary

Constructors

Constructor and Description
MultimapAggregationFunction(MultimapAggGroupImplementation groupMode)

Method Summary

Modifier and Type	Method and Description
static void	combine(MultimapAggregationState state, MultimapAggregationState otherState)
String	getDescription()
static void	input(MultimapAggregationState state, Block key, Block value, int position)
static void	output(Type keyType, Type valueType, MultimapAggregationState state, BlockBuilder out)
InternalAggregationFunction	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

Methods inherited from class io.prestosql.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getSignature, isDeterministic, isHidden

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

MultimapAggregationFunction

public MultimapAggregationFunction(MultimapAggGroupImplementation groupMode)

Method Detail

getDescription

public String getDescription()

specialize

public InternalAggregationFunction specialize(BoundVariables boundVariables,
                                              int arity,
                                              TypeManager typeManager,
                                              FunctionRegistry functionRegistry)

Specified by:

specialize in class SqlAggregationFunction

input

public static void input(MultimapAggregationState state,
                         Block key,
                         Block value,
                         int position)

combine

public static void combine(MultimapAggregationState state,
                           MultimapAggregationState otherState)

output

public static void output(Type keyType,
                          Type valueType,
                          MultimapAggregationState state,
                          BlockBuilder out)