Bagikan melalui

CreateTableBuilder<TColumns>.CheckConstraint(String, String) Metode

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Migrations.Operations.Builders
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Mengonfigurasi batasan pemeriksaan pada tabel.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.CreateCheckConstraintOperation> CheckConstraint (string name, string sql);
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation> CheckConstraint (string name, string sql);
abstract member CheckConstraint : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.CreateCheckConstraintOperation>
override this.CheckConstraint : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.CreateCheckConstraintOperation>
abstract member CheckConstraint : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation>
override this.CheckConstraint : string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation>
Public Overridable Function CheckConstraint (name As String, sql As String) As OperationBuilder(Of CreateCheckConstraintOperation)
Public Overridable Function CheckConstraint (name As String, sql As String) As OperationBuilder(Of AddCheckConstraintOperation)

Parameter

name
String

Nama batasan.

sql
String

Ekspresi sql yang digunakan dalam batasan CHECK.

Mengembalikan

OperationBuilder<CreateCheckConstraintOperation>
OperationBuilder<AddCheckConstraintOperation>

Penyusun yang sama sehingga beberapa panggilan dapat dirangkai.

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