io.prestosql.operator.scalar

Class InvokeFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.InvokeFunction

All Implemented Interfaces:

SqlFunction

public final class InvokeFunction
extends SqlScalarFunction

This scalar function exists primarily to test lambda expression support.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	InvokeFunction.InvokeLambda

Field Summary

Fields

Modifier and Type	Field and Description
static InvokeFunction	INVOKE_FUNCTION

Method Summary

Modifier and Type	Method and Description
String	getDescription()
static Object	invoke(InvokeFunction.InvokeLambda function)
boolean	isDeterministic()
boolean	isHidden()
ScalarFunctionImplementation	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

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

INVOKE_FUNCTION

public static final InvokeFunction INVOKE_FUNCTION

Method Detail

isHidden

public boolean isHidden()

isDeterministic

public boolean isDeterministic()

getDescription

public String getDescription()

specialize

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

Specified by:

specialize in class SqlScalarFunction

invoke

public static Object invoke(InvokeFunction.InvokeLambda function)