12/4/2023 0 Comments Ef migration down commandHowever, you still need to install the EF Core tools to your DB project (if this lives outside your application project, which is common on larger projects).Īdd the appropriate NuGet package under the "tools" section in the project. NET Core console app or ASP.NET Core website. In other words, EF Core tools can't run against a class library. The EF Core commands need to run against an executable/runnable project. Below, I explain my workaround and hopefully this can help you as well if you are faced with the same problem.įirst, you need to add the tooling to the necessary projects. The -ignoreChanges parameter is not available. If you've run the update you should roll it back using Update-Database -TargetMigration 'NameOfPreviousMigration' then delete the migration file. Unfortunately, this is one of the EF Core features that's missing. 7 Answers Sorted by: 158 If you haven't used Update-Database you can just delete the migration file. This command creates a baseline, a starting point to allow us to apply further schema changes through migrations. To setup my first migration script against the existing database and data. If you want to roll back the database, you can provide the name of the previous migration: dotnet ef database update CreateIdentitySchema This will run the Down. In the old EF6x world, I could use this command:Īdd-migration MyMigrationName -ignoreChanges The information here is the output of running get-help command-name -detailed for each of the commands in the package manager console (running EF 4.3.1). Remove-Migration In the dotnet CLI, the equivalent command would be the following: dotnet ef migrations remove Note: If you have more than one Data Context, it is mandatory that you specify in the previous command the name of the Data Context to be used. So my problem in this instance was working with migrations against an existing database and model. Some things are not there or some of them are not feature complete. the use of complicated JOINs and without bringing the data down to the client. EF Core Code First is great but the tooling is still rough around the edges. Getting started with SurrealDB is as simple as one command - and advanced. The project also makes use of the newest ( " target="_blank) so it's all running on the edge of the. For now I'll leave it as it is but going forward I'll use the new format for subsequent ASP.NET Core projects. I'm still using the project.json project format instead of the newer *.csproj & msbuild one. NET Core project and I'm loving the experience. ![]() ![]() ![]() EF Core migrations with existing database schema and data 07 December 2016
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