Package 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	Description
protected	AbstractGreatestLeast(boolean min, String description)

Method Summary

Modifier and Type	Method	Description
FunctionDependencyDeclaration	getFunctionDependencies()
static boolean	max(long comparisonResult)
static boolean	min(long comparisonResult)
ScalarFunctionImplementation	specialize(FunctionBinding functionBinding, FunctionDependencies functionDependencies)

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

getFunctionMetadata, specialize

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

getFunctionDependencies

Constructor Detail

AbstractGreatestLeast

protected AbstractGreatestLeast(boolean min,
                                String description)

Method Detail

getFunctionDependencies

public FunctionDependencyDeclaration getFunctionDependencies()

specialize

public ScalarFunctionImplementation specialize(FunctionBinding functionBinding,
                                               FunctionDependencies functionDependencies)

Overrides:

specialize in class SqlScalarFunction

min

public static boolean min(long comparisonResult)

max

public static boolean max(long comparisonResult)