Entity framework EF CodeFirst将派生类之间的映射关系映射到同一个表
我需要做以下映射 OrderItem将映射到tbl\u order\u item OrderItemCustomization将映射到tbl\u order\u item\u customization 我在tbl_order_item_customization中有一列[cd_order_item]，它是外键 问题是我如何映射它们之间的关系 CardOrderItem->CardOrderItemCustomization CustomCardOrderItem->CustomCardOrderItemCustomization 我试过这个Entity framework EF CodeFirst将派生类之间的映射关系映射到同一个表,entity-framework,orm,ef-code-first,mapping,Entity Framework,Orm,Ef Code First,Mapping,我需要做以下映射 OrderItem将映射到tbl\u order\u item OrderItemCustomization将映射到tbl\u order\u item\u customization 我在tbl_order_item_customization中有一列[cd_order_item]，它是外键 问题是我如何映射它们之间的关系 CardOrderItem->CardOrderItemCustomization CustomCardOrderItem->CustomCardOrd
public class OrderItemConfiguration : EntityTypeConfiguration<OrderItem>
{
public OrderItemConfiguration()
{
ToTable("tbl_order_item");
HasKey(i => i.Id);
Property(i => i.Id).HasColumnName("cd_order_items");
HasRequired(i => i.Order).WithMany(o => o.Items).Map(m => m.MapKey("cd_order"));
HasRequired(i => i.Product).WithMany().Map(m => m.MapKey("cd_product"));
Property(i => i.Quantity).HasColumnName("cd_quantity");
Property(i => i.UnitAmount).HasColumnName("vl_item").HasColumnType("money");
Property(i => i.TotalAmount).HasColumnName("vl_total").HasColumnType("money");
Property(i => i.DiscountAmount).HasColumnName("vl_discount");
Property(i => i.CostAmount).HasColumnName("vl_cost_price");
Property(i => i.NetAmount).HasColumnName("vl_net");
HasRequired(i => i.Status).WithMany().Map(m => m.MapKey("cd_status"));
Property(i => i.IsActive).HasColumnName("fl_active");
}
}
public class AbstractCardOrderItemConfiguration : EntityTypeConfiguration<AbstractCardOrderItem>
{
public AbstractCardOrderItemConfiguration()
{
Property(i => i.IsVirtual).HasColumnName("fl_virtual");
Property(i => i.CardType).HasColumnName("cd_card_type").IsOptional();
Property(i => i.Document).HasColumnName("nr_document");
HasRequired(i => i.Package).WithRequiredPrincipal().Map(m => m.MapKey("cd_order_item_base"));
}
}
public class CardOrderItemConfiguration : EntityTypeConfiguration<CardOrderItem>
{
public CardOrderItemConfiguration()
{
HasRequired(i => i.CardOrderItemCustomization).WithRequiredPrincipal().Map(m => m.MapKey("cd_order_items"));
}
}
public class CustomCardOrderItemConfiguration : EntityTypeConfiguration<CustomCardOrderItem>
{
public CustomCardOrderItemConfiguration()
{
HasRequired(i => i.CardWithCustomPhotoOrderItemCustomization).WithRequiredPrincipal().Map(m => m.MapKey("cd_order_items"));
}
}