Entity Framework Core

Links

• Entity Framework Code First Migrations in Team Environments
• Entity Framework Core Tutorial
• ms docs ef core
• Using Azure database for PostgreSQL in ASP.NET Core (with EF Core) Jan18
• EF Core or micro-ORM?
• Entity Framework Core 2.1 Roadmap
• explicit loading
• implement infrastructure persistence layer with Entity Framework Core

recipes

• use an in memory db for tests

    public class MessagingDbContext : Microsoft.EntityFrameworkCore.DbContext { /* ... */ }
  
    return new MessagingDbContext(new DbContextOptionsBuilder<MessagingDbContext>().UseInMemoryDatabase(databaseName: DB_NAME).Options)
  

• Fix $ dotnet ef database update returning No executable found matching command “dotnet-ef”. Modify csproj.

    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.1"/>
    <DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet">
        <Version>1.0.0-*</Version>
    </DotNetCliToolReference>  
  

• Generate migration from Powershell / Git Bash

    install-package entityframework.commands -pre
    dotnet ef migrations add "Initial" -o "Data\Migrations"
    dotnet ef database update
  

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