2016-03-30 15 views
0

Iは、以下のPOCOモデルクラスた:上記のシナリオでエントリーフレームワークの階層ごとのテーブルとコンクリートタイプごとのテーブル

//Not mapped to table, has all fields apart from foreign key 
public abstract class FirstBaseModel {} 

//Mapped to a table, has foreign key (eg. customerId) 
public class Derived1Model : FirstBaseModel {} 

//Mapped to a different table, has foreign key (eg. companyId) 
public class Derived2Model : FirstBaseModel {} 

//Mapped to the same table as Derived2Model 
public class Derived3Model : Derived2Model {} 

Iは、テーブルタイプごとおよび表ごとの階層継承混合されるであろうか?

答えて

0

標準シナリオでは、TPHがデフォルトです。
TPTが必要な場合は、テーブル名を指定するだけです。あなたのケースでは

(私もいくつかのプロパティを追加しました)

//Not mapped to table, has all fields apart from foreign key 
public abstract class FirstBaseModel 
{ 
    public int Id { get; set; } 
} 

//Mapped to a table, has foreign key (eg. customerId) 
[Table("MyTable")] 
public class Derived1Model : FirstBaseModel 
{ 
    public string D1 { get; set; } 
} 

//Mapped to a different table, has foreign key (eg. companyId) 
[Table("MyDifferentTable")] 
public class Derived2Model : FirstBaseModel 
{ 
    public string D2 { get; set; } 
} 

//Mapped to the same table as Derived2Model 
[Table("MyDifferentTable")] 
public class Derived3Model : Derived2Model 
{ 
    public string D3 { get; set; } 
} 

これは、EFはデータベース上

ExecuteNonQuery========== 
CREATE TABLE [MyTable] (
[Id] int not null identity(1,1) 
, [D1] text null 
); 
ALTER TABLE [MyTable] ADD CONSTRAINT [PK_MyTable_b9ce81de] PRIMARY KEY ([Id]) 
ExecuteNonQuery========== 
CREATE TABLE [MyDifferentTable] (
[Id] int not null identity(1,1) 
, [D2] text null 
, [D3] text null 
, [Discriminator] varchar(128) not null 
); 
ALTER TABLE [MyDifferentTable] ADD CONSTRAINT [PK_MyDifferentTable_b9ce81de] PRIMARY KEY ([Id]) 
を実行したクエリです
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