Module org.seasar.doma.core

Package org.seasar.doma.jdbc.query

Enum Class DuplicateKeyType

java.lang.Object

java.lang.Enum<DuplicateKeyType>

org.seasar.doma.jdbc.query.DuplicateKeyType

All Implemented Interfaces:

Serializable, Comparable<DuplicateKeyType>, Constable

public enum DuplicateKeyType
extends Enum<DuplicateKeyType>

Specifies how to handle duplicate key violations during insert operations.

This enum defines the behavior when an insert operation would violate a unique constraint in the database.

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
EXCEPTION	Throws an exception when a duplicate key is encountered.
IGNORE	Ignores the insert operation when a duplicate key is encountered.
UPDATE	Updates the existing row when a duplicate key is encountered.

Method Summary

Modifier and Type	Method	Description
static DuplicateKeyType	valueOf(String name)	Returns the enum constant of this class with the specified name.
static DuplicateKeyType[]	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

UPDATE

public static final DuplicateKeyType UPDATE

Updates the existing row when a duplicate key is encountered.

This option causes the database to perform an update on the existing row instead of inserting a new row when a duplicate key is detected.

IGNORE

public static final DuplicateKeyType IGNORE

Ignores the insert operation when a duplicate key is encountered.

This option causes the database to silently ignore the insert operation without raising an error when a duplicate key is detected.

EXCEPTION

public static final DuplicateKeyType EXCEPTION

Throws an exception when a duplicate key is encountered.

This option causes the database to raise an error when a duplicate key is detected, which is the default behavior for most databases.

Method Details

values

public static DuplicateKeyType[] 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 DuplicateKeyType 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