io.prestosql.operator.scalar

Class ApplyFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.ApplyFunction

All Implemented Interfaces:

SqlFunction

public final class ApplyFunction
extends SqlScalarFunction

This scalar function exists primarily to test lambda expression support.

Field Summary

Fields

Modifier and Type	Field and Description
static ApplyFunction	APPLY_FUNCTION

Method Summary

Modifier and Type	Method and Description
static Object	apply(Object input, UnaryFunctionInterface function)
String	getDescription()
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

APPLY_FUNCTION

public static final ApplyFunction APPLY_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

apply

public static Object apply(Object input,
                           UnaryFunctionInterface function)