Sql server 将不可为null的导航属性转换为左联接的Linq查询

我有以下linq查询（false和true是因为动态创建查询）：

我尝试添加元数据，但没有任何区别

[MetadataType(typeof(PersonViewMetaData))]
public partial class PersonView
{    }
public sealed class PersonViewMetaData
{
  [Required]
  public Person Person { get; set; }
}

---

你能为

PersonView

发布你的EF课程吗？你能为

PersonView

发布你的EF课程吗？你能为

PersonView

发布你的EF课程吗？

SELECT 
[Distinct1].[PersonID] AS [PersonID]
FROM ( SELECT DISTINCT 
    [Extent1].[PersonID] AS [PersonID]
    FROM  (SELECT 
           [PersonView].[PersonID] AS [PersonID], 
           [PersonView].[DateTime] AS [DateTime], 
           [PersonView].[Info]     AS     [Info]
           FROM [core].[PersonView] AS     [PersonView]) AS [Extent1]
           LEFT OUTER JOIN [core].[Persons] AS [Extent2] ON [Extent1].[PersonID] = [Extent2].[PersonID]
           WHERE ([Extent1].[Info] = 1) AND ([Extent2].[FirstName] IN (@p__linq__0,@p__linq__1,N'') OR [Extent2].[FirstName] IS NULL) AND ([Extent1].[DateTime] >= @p__linq__2) AND ([Extent1].[DateTime] <= @p__linq__3)
)  AS [Distinct1]

public partial class PersonView: DbEntity
{    
    private int _personID;
    private System.DateTime _dateTime;
    private bool _info;
    public int PersonID { get{ return _personID;} set{ _personID = value; OnPropertyChanged("PersonID");} }
    public System.DateTime DateTime { get{ return _dateTime;} set{ _dateTime = value; OnPropertyChanged("DateTime");} }
    public bool Info{ get{ return _info;} set{ _info = value; OnPropertyChanged("Info");} }

    public virtual Person Person { get; set; }
} 

[MetadataType(typeof(PersonViewMetaData))]
public partial class PersonView
{    }
public sealed class PersonViewMetaData
{
  [Required]
  public Person Person { get; set; }
}