Package io.prestosql.operator.aggregation

Class MapUnionAggregation

java.lang.Object

io.prestosql.metadata.SqlAggregationFunction

io.prestosql.operator.aggregation.MapUnionAggregation

All Implemented Interfaces:

SqlFunction

public class MapUnionAggregation
extends SqlAggregationFunction

Field Summary

Fields

Modifier and Type	Field	Description
static String	NAME

Constructor Summary

Constructors

Constructor	Description
MapUnionAggregation(BlockTypeOperators blockTypeOperators)

Method Summary

Modifier and Type	Method	Description
static void	combine(KeyValuePairsState state, KeyValuePairsState otherState)
List<TypeSignature>	getIntermediateTypes(FunctionBinding functionBinding)
static void	input(Type keyType, BlockTypeOperators.BlockPositionEqual keyEqual, BlockTypeOperators.BlockPositionHashCode keyHashCode, Type valueType, KeyValuePairsState state, Block value)
static void	output(KeyValuePairsState state, BlockBuilder out)
InternalAggregationFunction	specialize(FunctionBinding functionBinding)

Methods inherited from class io.prestosql.metadata.SqlAggregationFunction

createFunctionByAnnotations, createFunctionsByAnnotations, getAggregationMetadata, getFunctionMetadata, specialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.prestosql.metadata.SqlFunction

getFunctionDependencies, getFunctionDependencies

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

MapUnionAggregation

public MapUnionAggregation(BlockTypeOperators blockTypeOperators)

Method Detail

getIntermediateTypes

public List<TypeSignature> getIntermediateTypes(FunctionBinding functionBinding)

Overrides:

getIntermediateTypes in class SqlAggregationFunction

specialize

public InternalAggregationFunction specialize(FunctionBinding functionBinding)

Overrides:

specialize in class SqlAggregationFunction

input

public static void input(Type keyType,
                         BlockTypeOperators.BlockPositionEqual keyEqual,
                         BlockTypeOperators.BlockPositionHashCode keyHashCode,
                         Type valueType,
                         KeyValuePairsState state,
                         Block value)

combine

public static void combine(KeyValuePairsState state,
                           KeyValuePairsState otherState)

output

public static void output(KeyValuePairsState state,
                          BlockBuilder out)