AddUniqueConstraintOperation.CreateFrom(IUniqueConstraint) 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Migrations.Operations

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v8.0.0

從指定的唯一條件約束建立新的 AddUniqueConstraintOperation 。

public static Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation CreateFrom (Microsoft.EntityFrameworkCore.Metadata.IUniqueConstraint uniqueConstraint);

static member CreateFrom : Microsoft.EntityFrameworkCore.Metadata.IUniqueConstraint -> Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation

Public Shared Function CreateFrom (uniqueConstraint As IUniqueConstraint) As AddUniqueConstraintOperation

參數

uniqueConstraint

IUniqueConstraint

唯一的條件約束。

傳回

AddUniqueConstraintOperation

作業。