当我使用数据库初始化程序DropCreateDatabaseAlways
或MigrateDatabaseToLatestVersion
创建我的 Entity Framework (5.0.0) 数据库时,生成的架构不包括我在迁移中定义的索引,这与我使用Update-Database
.
如何配置系统,使其使用数据库初始化程序产生与按顺序运行迁移时相同的最终结果?
示例迁移
public override void Up()
{
CreateIndex("dbo.Users", "Username", unique:true);
}
结果来自DropCreateDatabaseAlways
(无索引)
CREATE TABLE [dbo].[Users] (
[Id] BIGINT IDENTITY (1, 1) NOT NULL,
[Username] NVARCHAR (50) NULL,
[Email] NVARCHAR (255) NULL,
CONSTRAINT [PK_dbo.Users] PRIMARY KEY CLUSTERED ([Id] ASC)
);
结果来自Update-Database
(包括索引)
CREATE TABLE [dbo].[Users] (
[Id] BIGINT IDENTITY (1, 1) NOT NULL,
[Username] NVARCHAR (50) NULL,
[Email] NVARCHAR (255) NULL,
CONSTRAINT [PK_dbo.Users] PRIMARY KEY CLUSTERED ([Id] ASC)
);
GO
CREATE UNIQUE NONCLUSTERED INDEX [IX_Username]
ON [dbo].[Users]([Username] ASC);