Package org.apache.calcite.rel.type

Enum RelDataTypeComparability

java.lang.Object

java.lang.Enum<RelDataTypeComparability>

org.apache.calcite.rel.type.RelDataTypeComparability

All Implemented Interfaces:

Serializable, Comparable<RelDataTypeComparability>, Constable

public enum RelDataTypeComparability
extends Enum<RelDataTypeComparability>

RelDataTypeComparability is an enumeration of the categories of comparison operators which types may support.

NOTE jvs 17-Mar-2005: the order of values of this enumeration is significant (from least inclusive to most inclusive) and should not be changed.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALL
NONE
UNORDERED

Method Summary

Modifier and Type	Method	Description
static RelDataTypeComparability	valueOf(String name)	Returns the enum constant of this type with the specified name.
static RelDataTypeComparability[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NONE

public static final RelDataTypeComparability NONE

UNORDERED

public static final RelDataTypeComparability UNORDERED

ALL

public static final RelDataTypeComparability ALL

Method Details

values

public static RelDataTypeComparability[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static RelDataTypeComparability valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null