使用Entity Framework Core迁移更改主键
问题描述：
我试图通过Entity Framework Core Migrations更改表的主键：
I am trying to Change the Primary key of a table via Entity Framework Core Migrations:
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropPrimaryKey(
name: "PK_Permissions",
table: "Permissions");
}
当我尝试更新数据库时，出现以下错误消息：
When I try to update the database I get the following error message:
To change the IDENTITY property of a column, the column needs to be dropped and recreated.
如何更新数据库？
答
我找到了一个解决方案：
这似乎是EF Core 1.1中的错误
I have found a solution: This seems to be a bug in EF Core 1.1
我更改了迁移
有关此信息的更多信息，请参见： https://thisworksonmymachine.com/2017/02/13/ef-core-the-setup-part-4/
More Information about this can be found here: https://thisworksonmymachine.com/2017/02/13/ef-core-the-setup-part-4/