Package dev.frostlake.executor.expressions

Enum Class CollationLevel

java.lang.Object

java.lang.Enum<CollationLevel>

dev.frostlake.executor.expressions.CollationLevel

All Implemented Interfaces:

Serializable, Comparable<CollationLevel>, Constable

public enum CollationLevel
extends Enum<CollationLevel>

How strongly an expression holds its collation when two meet in one comparison — the three levels live ranks them by, lowest first. The higher level wins outright; two at the same level must agree.

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
COLUMN	The collation a column was declared with.
EXPLICIT	A collation named by COLLATE in the statement itself, in either spelling.
NONE	No collation: a literal, a computed value, a column declared without one, or COLLATE ''.

Method Summary

Modifier and Type	Method	Description
static CollationLevel	valueOf(String name)	Returns the enum constant of this class with the specified name.
static CollationLevel[]	values()	Returns an array containing the constants of this enum class, 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 CollationLevel NONE

No collation: a literal, a computed value, a column declared without one, or COLLATE ''.

COLUMN

public static final CollationLevel COLUMN

The collation a column was declared with.

EXPLICIT

public static final CollationLevel EXPLICIT

A collation named by COLLATE in the statement itself, in either spelling.

Method Details

values

public static CollationLevel[] values()

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

Returns:

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

valueOf

public static CollationLevel valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null