C # - I can not map HERIT with the Entity Framework Core - Code First?

Created classes are only set up in their context in the OnModelCreating method or even by DataAnnotations , this minimum example is set by the OnModelCreating method:

public class Pessoa
{
    public int PessoaId { get; set; }
    public string Nome { get; set; }
}

public class Cliente: Pessoa
{
    public string CPF { get; set; }
}

using Microsoft.EntityFrameworkCore;

public class Ctx: DbContext
{
    public Ctx()
    {
        //Database.EnsureCreated();
    }

    public DbSet<Pessoa> Pessoa { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
    {            
        string cn = "Server=.\SQLExpress;Database=MyDataBaseEntityCore;";
        cn += "User Id=sa;Password=senha;";

        optionsBuilder.UseSqlServer(cn, c =>
        {

        });
    }

    //configurando as classes
    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {

        modelBuilder.Entity<Pessoa>()
            .ToTable("Pessoa")
            .ForSqlServerToTable("Pessoa")
            .HasKey(x => x.PessoaId);

        modelBuilder.Entity<Pessoa>()
            .Property(x => x.PessoaId)
            .IsRequired()
            .UseSqlServerIdentityColumn();

        modelBuilder.Entity<Pessoa>()
            .Property(x => x.Nome)
            .HasMaxLength(100)
            .IsRequired();


        modelBuilder.Entity<Cliente>()
            .ForSqlServerToTable("Cliente")
            .ToTable("Cliente");

        modelBuilder.Entity<Cliente>()
            .Property(x => x.CPF)
            .IsRequired()
            .HasMaxLength(20);

    }
}

One point to note is that this version ( 1.1.2 ) of the Entity Framework Core, even configuring the tables, does not generate a table for each type (as requested in the question), but a Discriminator field to identify which type belongs to that record, I believe it's still a limitation of the version.

Remarks: Just remember that this setting is for Entity Framework Core 1.1.2 for the SQLServer bank, which is the most stable but is in the kiln almost ready version 2.0.0 , which will bring many changes.

Operations:

• Add new Cliente :

  using (Ctx c = new Ctx())
  {
      c.Pessoa.Add(new Cliente
      {
          CPF = "111.111.111-11",
          Nome = "StackOverFlow Core"
      });
      c.SaveChanges();
  }
  

• Edit Cliente of PessoaId = 1 :

  using (Ctx c = new Ctx())
  {
       Cliente cliente = c.Pessoa
          .OfType<Cliente>()
          .FirstOrDefault(x => x.PessoaId == 1);
  
      if (cliente != null)
      {
          cliente.Nome = "StackOverFlow Core + Update";
          c.SaveChanges();
      }    
  }
  

• Delete Cliente of PessoaId = 1 :

  using (Ctx c = new Ctx())
  {
      Cliente cliente = c.Pessoa
          .OfType<Cliente>()
          .FirstOrDefault(x => x.PessoaId == 1);
      if (cliente != null)
      {
          c.Pessoa.Remove(cliente);
          c.SaveChanges();
      }                
  }
  

• Search Cliente of PessoaId = 2 :

  using (Ctx c = new Ctx())
  {
      Cliente cliente = c.Pessoa
          .OfType<Cliente>()
          .FirstOrDefault(x => x.PessoaId == 2);
      if (cliente != null)
      {
  
      }                
  }
  

• Getting started with ASP.NET Core MVC and Entity Framework Core using Visual Studio (1 of 10)
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