Entity Framework Core: Is it safe to delete Migration.Designer.cs if we will never Revert a migration?

EF Core Migration Error "Could not drop constraint" which was removed in previous migration

It looks like you may be hitting issue ...#7535.... This will be fixed in version 2.0.0.

Configuring dependencies (e.g. logging) in Program.cs when EF Migrations don't go through Program.cs

Alright, so I found a solution....Instead of passing ILoggerFactory to Startup.cs constructor. Pass ILogger as follows:...private ILogger<Startup> _logger; public Startup(IHostingEnvironment env, ILogger<Startup> logger) { _env = env; _logger = logger; var builder = new ConfigurationBuilder() .SetBasePath(env...

Entity Framework Core 2.0 Add-Migration doesn't create any migration files

Recently migrated from EF Core 1.0 to EF Core 2.0, and it runs fine. Today I added a new table (code-first) and added it to my DbContext with:...public virtual DbSet<Foo> Foos { get; set; } ...When I run a migration, with my DbContext in a separate project (remember this was all working before), the migration ends, but no migration files were crea...

ASP.net core 2.0 MVC every new database migrations includes data from previous migrations

Another alternative is to make sure the mappings are correct and just delete the up/down functions to have a clean state:...https://github.com/aspnet/EntityFrameworkCore/issues/11763

Entity framework core, code first migration with data migration

You can execute any SQL using ...migrationBuilder.Sql(theSqlString).......In your case ...migrationBuilder.Sql("INSERT INTO Venue SELECT DISTINCT VenueRef, VenueName FROM LoginEvent"); ...Run this in the migration after creating the new table ...Venue... and before dropping the old column ...VenueName.......See also ...Custom Migrations Operations....

dotnet ef migration list not finding migrations in Migration folder

Here is what I did to get migrations working. ...I had to ...also... convert the generated migration files to F#. ...This blog post... by Ody Mbegbu was very helpful here. (Although some modifications have to be made to account for changes since v1.)...I had to add the newly converted .fs migration files to the fsproj.

.designer file of migration in EF core not being associated with .cs file in visual studio

Try to use ...Update... instead of ...Include.......In your ....csproj... file, add these lines to the ...ItemGroup...:...<Compile Update="yourfilename.Designer.cs"> <DependentUpon>yourfilename.cs</DependentUpon> </Compile>

Entity Framework Core: create a migration that merges multiple DbContexts (with multiple migrations)

In my opinion, you have to keep 3 default(old) contexts....Because: It's a very bad practice to merge 3 in 1 and retire their default contexts. ...all those 3 contexts have their APIs to play with their data, which APIs will make sure all data is well maintained and which APIs will make Code-First is real code-first, but not a Code-Once. ...if you ...

Deleted database & migration file, can't make new migrations nor revert old migrations, what now?

If you dropped the database then it's easy. Delete the migrations folder....Then run...add-migration Initial...update-database...Also, I tend to remove any ...<Compile Remove="" />... from the project file.

EF Core "no migrations found" despite Migrations folder containing migration files

It turns out this error was because of the lack of Designer.cs files. We deleted them due to ...the response in this post..., but EF was not able to find our migrations without them. If you plan on running your migrations in any other environments, don't delete your Designer files!