具有多个数据库/ DbContext的EF代码优先迁移 [英] EF Code First Migration with Multiple Database / DbContext

问题描述

我有两个数据库，每个数据库都有自己的dbcontext。我已经设置了两个迁移配置。我可以为第一个数据库添加迁移（ Add-Migration DB1_InitialCreate -ConfigurationTypeName DB1Configuration ）。当我尝试使用以下命令与第二个数据库创建初始迁移时： Add-Migration DB2_InitialCreate -ConfigurationTypeName DB2Configuration ，出现以下错误：

I have two database each with their own dbcontext. I've setup two migration configurations. I can add a migration for the first db ust fine (Add-Migration DB1_InitialCreate -ConfigurationTypeName DB1Configuration). When I try to create an initial migration with the second db using: Add-Migration DB2_InitialCreate -ConfigurationTypeName DB2Configuration, I get the following error:

由于以下显式迁移未决，因此无法生成显式迁移：[201205082215265_DB1_InitialCreate]。在尝试生成新的显式迁移之前，请先应用待处理的显式迁移。

Unable to generate an explicit migration because the following explicit migrations are pending: [201205082215265_DB1_InitialCreate]. Apply the pending explicit migrations before attempting to generate a new explicit migration.

所以我照着说了做，并用以下内容更新数据库：

So I do what it says and update the database with:

Update-Database -ConfigurationTypeName DB1Configuration

然后我尝试再次为第二个数据库添加迁移，但是我仍然遇到相同的错误。

Then I try to add a migration again for the second db but I keep getting the same error.

有关如何进行迁移的任何想法为两个数据库/上下文工作？

Any ideas on how to get migrations working for two databases/contexts?

推荐答案

我已经能够回答自己的问题。我的两个配置类存在于同一名称空间中。我一分开它们，一切就正常了。

I've been able to answer my own question. My two configuration classes existed in the same namespace. As soon as I separated them, everything worked.

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