io.prestosql.operator.scalar

Class AbstractGreatestLeast

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.AbstractGreatestLeast

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

Greatest, Least

public abstract class AbstractGreatestLeast
extends SqlScalarFunction

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractGreatestLeast(String name, OperatorType operatorType)

Method Summary

Modifier and Type	Method and Description
static void	checkNotNaN(String name, double value)
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

Methods inherited from interface io.prestosql.metadata.SqlFunction

getDescription

Constructor Detail

AbstractGreatestLeast

protected AbstractGreatestLeast(String name,
                                OperatorType operatorType)

Method Detail

isHidden

public boolean isHidden()

isDeterministic

public boolean isDeterministic()

specialize

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

Specified by:

specialize in class SqlScalarFunction

checkNotNaN

public static void checkNotNaN(String name,
                               double value)