Package io.prestosql.operator.scalar

Class MapConcatFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.MapConcatFunction

All Implemented Interfaces:

SqlFunction

public final class MapConcatFunction
extends SqlScalarFunction

Constructor Summary

Constructors

Constructor	Description
MapConcatFunction(BlockTypeOperators blockTypeOperators)

Method Summary

Modifier and Type	Method	Description
static Object	createMapState(MapType mapType)
static Block	mapConcat(MapType mapType, BlockTypeOperators.BlockPositionEqual keyEqual, BlockTypeOperators.BlockPositionHashCode keyHashCode, Object state, Block[] maps)
protected ScalarFunctionImplementation	specialize(FunctionBinding functionBinding)

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

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

Constructor Detail

MapConcatFunction

public MapConcatFunction(BlockTypeOperators blockTypeOperators)

Method Detail

specialize

protected ScalarFunctionImplementation specialize(FunctionBinding functionBinding)

Overrides:

specialize in class SqlScalarFunction

createMapState

public static Object createMapState(MapType mapType)

mapConcat

public static Block mapConcat(MapType mapType,
                              BlockTypeOperators.BlockPositionEqual keyEqual,
                              BlockTypeOperators.BlockPositionHashCode keyHashCode,
                              Object state,
                              Block[] maps)