映射大串功能NHibernate

Question

我與Oracle數據庫的工作，和我想這個類映射：

public class Book 
{ 
    public virtual int Id { get; private set; } 
    public virtual string Author { get; set; } 
    public virtual string Title { get; set; } 
    public virtual string Text { get; set; } 
} 

有了這個映射類：

public class BookMap : ClassMap<Book> 
{ 
    public BookMap() 
    { 
     Id(x => x.Id); 
     Map(x => x.Author); 
     Map(x => x.Title); 
     Map(x => x.Text); 
    } 
} 

但列它生成我的類型是NVARCHAR（255），並且Book.Text屬性的遠遠超過255個字符。

如何將其映射到可包含非常大的字符串的類型（例如CLOB）？

Answer 1

public class BookMap : ClassMap<Book> 
{ 
    public BookMap() 
    { 
     Id(x => x.Id); 
     Map(x => x.Author); 
     Map(x => x.Title); 
     Map(x => x.Text).CustomSqlType("CLOB"); 
    } 
} 

或

public class BookMap : ClassMap<Book> 
{ 
    public BookMap() 
    { 
     Id(x => x.Id); 
     Map(x => x.Author); 
     Map(x => x.Title); 
     Map(x => x.Text).Length(500); // nvarchar(500) 
    } 
}