io.prestosql.metadata

Class FunctionRegistry

java.lang.Object

io.prestosql.metadata.FunctionRegistry

@ThreadSafe
public class FunctionRegistry
extends Object

Constructor Summary

Constructors

Constructor and Description
FunctionRegistry(TypeManager typeManager, BlockEncodingSerde blockEncodingSerde, FeaturesConfig featuresConfig)

Method Summary

Modifier and Type	Method and Description
void	addFunctions(List<? extends SqlFunction> functions)
boolean	canResolveOperator(OperatorType operatorType, Type returnType, List<? extends Type> argumentTypes)
InternalAggregationFunction	getAggregateFunctionImplementation(Signature signature)
Signature	getCoercion(TypeSignature fromType, TypeSignature toType)
Signature	getCoercion(Type fromType, Type toType)
FunctionInvokerProvider	getFunctionInvokerProvider()
static Signature	getMagicLiteralFunctionSignature(Type type)
ScalarFunctionImplementation	getScalarFunctionImplementation(Signature signature)
WindowFunctionSupplier	getWindowFunctionImplementation(Signature signature)
boolean	isAggregationFunction(QualifiedName name)
boolean	isRegistered(Signature signature)
static boolean	isSupportedLiteralType(Type type)
List<SqlFunction>	list()
static String	mangleOperatorName(OperatorType operatorType)
static String	mangleOperatorName(String operatorName)
Signature	resolveFunction(QualifiedName name, List<TypeSignatureProvider> parameterTypes)
Signature	resolveOperator(OperatorType operatorType, List<? extends Type> argumentTypes)
static Optional<List<Type>>	toTypes(List<TypeSignatureProvider> typeSignatureProviders, TypeManager typeManager)
static Type	typeForMagicLiteral(Type type)
static OperatorType	unmangleOperator(String mangledName)

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionRegistry

public FunctionRegistry(TypeManager typeManager,
                        BlockEncodingSerde blockEncodingSerde,
                        FeaturesConfig featuresConfig)

Method Detail

getFunctionInvokerProvider

public FunctionInvokerProvider getFunctionInvokerProvider()

addFunctions

public final void addFunctions(List<? extends SqlFunction> functions)

list

public List<SqlFunction> list()

isAggregationFunction

public boolean isAggregationFunction(QualifiedName name)

resolveFunction

public Signature resolveFunction(QualifiedName name,
                                 List<TypeSignatureProvider> parameterTypes)

getWindowFunctionImplementation

public WindowFunctionSupplier getWindowFunctionImplementation(Signature signature)

getAggregateFunctionImplementation

public InternalAggregationFunction getAggregateFunctionImplementation(Signature signature)

getScalarFunctionImplementation

public ScalarFunctionImplementation getScalarFunctionImplementation(Signature signature)

canResolveOperator

public boolean canResolveOperator(OperatorType operatorType,
                                  Type returnType,
                                  List<? extends Type> argumentTypes)

isRegistered

public boolean isRegistered(Signature signature)

resolveOperator

public Signature resolveOperator(OperatorType operatorType,
                                 List<? extends Type> argumentTypes)
                          throws OperatorNotFoundException

Throws:

OperatorNotFoundException

getCoercion

public Signature getCoercion(Type fromType,
                             Type toType)

getCoercion

public Signature getCoercion(TypeSignature fromType,
                             TypeSignature toType)

typeForMagicLiteral

public static Type typeForMagicLiteral(Type type)

getMagicLiteralFunctionSignature

public static Signature getMagicLiteralFunctionSignature(Type type)

isSupportedLiteralType

public static boolean isSupportedLiteralType(Type type)

mangleOperatorName

public static String mangleOperatorName(OperatorType operatorType)

mangleOperatorName

public static String mangleOperatorName(String operatorName)

unmangleOperator

public static OperatorType unmangleOperator(String mangledName)

toTypes

public static Optional<List<Type>> toTypes(List<TypeSignatureProvider> typeSignatureProviders,
                                           TypeManager typeManager)