Langue

MigrationBuilder.AddUniqueConstraint Méthode

Définition

Espace de noms:
Microsoft.EntityFrameworkCore.Migrations
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Package:
Microsoft.EntityFrameworkCore.Relational v1.0.6
Package:
Microsoft.EntityFrameworkCore.Relational v1.1.6
Package:
Microsoft.EntityFrameworkCore.Relational v10.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v11.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v2.0.3
Package:
Microsoft.EntityFrameworkCore.Relational v2.1.11
Package:
Microsoft.EntityFrameworkCore.Relational v2.2.6
Package:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Package:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v8.0.0
Package:
Microsoft.EntityFrameworkCore.Relational v9.0.0

Surcharges

Nom Description
AddUniqueConstraint(String, String, String, String)

Crée une AddUniqueConstraintOperation contrainte unique pour ajouter une nouvelle contrainte unique à une table.
AddUniqueConstraint(String, String, String[], String)

Crée une AddUniqueConstraintOperation contrainte unique composite (à plusieurs colonnes) à une table.

AddUniqueConstraint(String, String, String, String)

Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs

Crée une AddUniqueConstraintOperation contrainte unique pour ajouter une nouvelle contrainte unique à une table.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation> AddUniqueConstraint(string name, string table, string column, string schema = default);
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation> AddUniqueConstraint(string name, string table, string column, string? schema = default);
abstract member AddUniqueConstraint : string * string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation>
override this.AddUniqueConstraint : string * string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation>
Public Overridable Function AddUniqueConstraint (name As String, table As String, column As String, Optional schema As String = Nothing) As OperationBuilder(Of AddUniqueConstraintOperation)

Paramètres

name
String

Le nom de la contrainte.

table
String

Table qui contiendra la contrainte.

column
String

Colonne contrainte.

schema
String

Schéma qui contient la table ou null pour utiliser le schéma par défaut.

Retours

OperationBuilder<AddUniqueConstraintOperation>

Générateur permettant d’ajouter des annotations à l’opération.

Remarques

Pour plus d’informations et d’exemples, consultez les migrations de base de données .

S’applique à

AddUniqueConstraint(String, String, String[], String)

Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs
Source:
MigrationBuilder.cs

Crée une AddUniqueConstraintOperation contrainte unique composite (à plusieurs colonnes) à une table.

public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation> AddUniqueConstraint(string name, string table, string[] columns, string schema = default);
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation> AddUniqueConstraint(string name, string table, string[] columns, string? schema = default);
abstract member AddUniqueConstraint : string * string * string[] * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation>
override this.AddUniqueConstraint : string * string * string[] * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation>
Public Overridable Function AddUniqueConstraint (name As String, table As String, columns As String(), Optional schema As String = Nothing) As OperationBuilder(Of AddUniqueConstraintOperation)

Paramètres

name
String

Le nom de la contrainte.

table
String

Table qui contiendra la contrainte.

columns
String[]

Liste triée des colonnes qui sont limitées.

schema
String

Schéma qui contient la table ou null pour utiliser le schéma par défaut.

Retours

OperationBuilder<AddUniqueConstraintOperation>

Générateur permettant d’ajouter des annotations à l’opération.

Remarques

Pour plus d’informations et d’exemples, consultez les migrations de base de données .

S’applique à