MigrationBuilder.AddForeignKey Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Migrations

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v9.0.0

Overload

Nama	Deskripsi
AddForeignKey(String, String, String, String, String, String, String, ReferentialAction, ReferentialAction)	AddForeignKeyOperation Membangun untuk menambahkan kunci asing baru ke tabel.
AddForeignKey(String, String, String[], String, String, String, String[], ReferentialAction, ReferentialAction)	AddForeignKeyOperation Menyusun untuk menambahkan kunci asing komposit (multi-kolom) baru ke tabel.

AddForeignKey(String, String, String, String, String, String, String, ReferentialAction, ReferentialAction)

Sumber:

MigrationBuilder.cs

AddForeignKeyOperation Membangun untuk menambahkan kunci asing baru ke tabel.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation> AddForeignKey(string name, string table, string column, string principalTable, string? schema = default, string? principalSchema = default, string? principalColumn = default, Microsoft.EntityFrameworkCore.Migrations.ReferentialAction onUpdate = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction, Microsoft.EntityFrameworkCore.Migrations.ReferentialAction onDelete = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction);

abstract member AddForeignKey : string * string * string * string * string * string * string * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation>
override this.AddForeignKey : string * string * string * string * string * string * string * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation>

Public Overridable Function AddForeignKey (name As String, table As String, column As String, principalTable As String, Optional schema As String = Nothing, Optional principalSchema As String = Nothing, Optional principalColumn As String = Nothing, Optional onUpdate As ReferentialAction = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction, Optional onDelete As ReferentialAction = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction) As OperationBuilder(Of AddForeignKeyOperation)

Parameter

name

String

Nama batasan kunci asing.

table

String

Tabel yang berisi kunci asing.

column

String

Kolom yang dibatasi.

principalTable

String

Tabel di mana kunci asing dibatasi.

schema

String

Skema yang berisi tabel, atau null jika skema default harus digunakan.

principalSchema

String

Skema yang berisi tabel utama, atau null jika skema default harus digunakan.

principalColumn

String

Kolom tempat kolom kunci asing dibatasi, atau null untuk membatasi ke kolom kunci primer.

onUpdate

ReferentialAction

Tindakan yang harus diambil pada pembaruan.

onDelete

ReferentialAction

Tindakan yang harus diambil pada penghapusan.

Mengembalikan

OperationBuilder<AddForeignKeyOperation>

Penyusun untuk memungkinkan anotasi ditambahkan ke operasi.

Keterangan

Lihat Migrasi database untuk informasi dan contoh selengkapnya.

AddForeignKey(String, String, String[], String, String, String, String[], ReferentialAction, ReferentialAction)

Sumber:

MigrationBuilder.cs

AddForeignKeyOperation Menyusun untuk menambahkan kunci asing komposit (multi-kolom) baru ke tabel.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation> AddForeignKey(string name, string table, string[] columns, string principalTable, string? schema = default, string? principalSchema = default, string[]? principalColumns = default, Microsoft.EntityFrameworkCore.Migrations.ReferentialAction onUpdate = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction, Microsoft.EntityFrameworkCore.Migrations.ReferentialAction onDelete = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction);

abstract member AddForeignKey : string * string * string[] * string * string * string * string[] * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation>
override this.AddForeignKey : string * string * string[] * string * string * string * string[] * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction * Microsoft.EntityFrameworkCore.Migrations.ReferentialAction -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddForeignKeyOperation>

Public Overridable Function AddForeignKey (name As String, table As String, columns As String(), principalTable As String, Optional schema As String = Nothing, Optional principalSchema As String = Nothing, Optional principalColumns As String() = Nothing, Optional onUpdate As ReferentialAction = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction, Optional onDelete As ReferentialAction = Microsoft.EntityFrameworkCore.Migrations.ReferentialAction.NoAction) As OperationBuilder(Of AddForeignKeyOperation)

Parameter

name

String

Nama batasan kunci asing.

table

String

Tabel yang berisi kunci asing.

columns

String[]

Daftar kolom yang diurutkan yang dibatasi.

principalTable

String

Tabel di mana kunci asing dibatasi.

schema

String

Skema yang berisi tabel, atau null jika skema default harus digunakan.

principalSchema

String

Skema yang berisi tabel utama, atau null jika skema default harus digunakan.

principalColumns

String[]

Kolom tempat kolom kunci asing dibatasi, atau null untuk membatasi kolom kunci primer.

onUpdate

ReferentialAction

Tindakan yang harus diambil pada pembaruan.

onDelete

ReferentialAction

Tindakan yang harus diambil pada penghapusan.

Mengembalikan

OperationBuilder<AddForeignKeyOperation>

Penyusun untuk memungkinkan anotasi ditambahkan ke operasi.

Keterangan

Lihat Migrasi database untuk informasi dan contoh selengkapnya.