CreateTableBuilder<TColumns>.UniqueConstraint メソッド

定義

名前空間:

Microsoft.EntityFrameworkCore.Migrations.Operations.Builders

アセンブリ:

Microsoft.EntityFrameworkCore.Relational.dll

パッケージ:

Microsoft.EntityFrameworkCore.Relational v9.0.0

ソース:

CreateTableBuilder.cs

テーブルに対して一意の制約を構成します。

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

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

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

パラメーター

name

String

制約名。

columns

Expression<Func<TColumns,Object>>

制約を構成する列。

戻り値

OperationBuilder<AddUniqueConstraintOperation>

複数の呼び出しをチェーンできるように、同じビルダー。