CreateTableBuilder<TColumns>.PrimaryKey Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Migrations.Operations.Builders

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Mengonfigurasi kunci primer pada tabel.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> PrimaryKey (string name, System.Linq.Expressions.Expression<Func<TColumns,object>> columns);

abstract member PrimaryKey : string * System.Linq.Expressions.Expression<Func<'Columns, obj>> -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
override this.PrimaryKey : string * System.Linq.Expressions.Expression<Func<'Columns, obj>> -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>

Public Overridable Function PrimaryKey (name As String, columns As Expression(Of Func(Of TColumns, Object))) As OperationBuilder(Of AddPrimaryKeyOperation)

Parameter

name

String

Nama batasan kunci primer.

columns

Expression<Func<TColumns,Object>>

Kolom yang membentuk kunci primer.

Mengembalikan

OperationBuilder<AddPrimaryKeyOperation>

Penyusun yang sama sehingga beberapa panggilan dapat dirangkai.