io.prestosql.operator.scalar

Class MapToMapCast

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.metadata.SqlOperator

io.prestosql.operator.scalar.MapToMapCast

All Implemented Interfaces:

SqlFunction

public final class MapToMapCast
extends SqlOperator

Field Summary

Fields

Modifier and Type	Field and Description
static MapToMapCast	MAP_TO_MAP_CAST

Constructor Summary

Constructors

Constructor and Description
MapToMapCast()

Method Summary

Modifier and Type	Method and Description
static Block	checkBlockIsNotNull(Block value)
static boolean	checkBooleanIsNotNull(Boolean value)
static double	checkDoubleIsNotNull(Double value)
static long	checkLongIsNotNull(Long value)
static io.airlift.slice.Slice	checkSliceIsNotNull(io.airlift.slice.Slice value)
static Block	mapCast(MethodHandle keyProcessFunction, MethodHandle valueProcessFunction, Type toMapType, ConnectorSession session, Block fromMap)
ScalarFunctionImplementation	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

Methods inherited from class io.prestosql.metadata.SqlOperator

getDescription, isDeterministic, isHidden

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

builder, getSignature

Methods inherited from class java.lang.Object

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

Field Detail

MAP_TO_MAP_CAST

public static final MapToMapCast MAP_TO_MAP_CAST

Constructor Detail

MapToMapCast

public MapToMapCast()

Method Detail

specialize

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

Specified by:

specialize in class SqlScalarFunction

checkLongIsNotNull

public static long checkLongIsNotNull(Long value)

checkDoubleIsNotNull

public static double checkDoubleIsNotNull(Double value)

checkBooleanIsNotNull

public static boolean checkBooleanIsNotNull(Boolean value)

checkSliceIsNotNull

public static io.airlift.slice.Slice checkSliceIsNotNull(io.airlift.slice.Slice value)

checkBlockIsNotNull

public static Block checkBlockIsNotNull(Block value)

mapCast

public static Block mapCast(MethodHandle keyProcessFunction,
                            MethodHandle valueProcessFunction,
                            Type toMapType,
                            ConnectorSession session,
                            Block fromMap)