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

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Definice

Obor názvů:
Microsoft.EntityFrameworkCore.Migrations.Operations.Builders
Sestavení:
Microsoft.EntityFrameworkCore.Relational.dll
Balíček:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Balíček:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Balíček:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Balíček:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Balíček:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Balíček:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Nakonfiguruje omezení kontroly v tabulce.

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)

Parametry

name
String

Název omezení.

sql
String

Výraz SQL použitý v omezení CHECK.

Návraty

OperationBuilder<CreateCheckConstraintOperation>
OperationBuilder<AddCheckConstraintOperation>

Stejný tvůrce, aby bylo možné zřetězených více volání.

Platí pro