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我使用SQL Server上fluentnhibernate 2008爲什麼schemaexport會生成2個外鍵?
我有對象人員
public class Staff : BaseEntity
{
public virtual string UserName { get; set; }
public virtual string FirstName { get; set; }
public virtual string LastName { get; set; }
public virtual string Email { get; set; }
public virtual bool Active { get; set; }
public virtual StaffRole StaffRole { get; set; }
}
和StaffRole
public class StaffRole : BaseEntity
{
public virtual int RoleId { get; set; }
public virtual int RoleName { get; set; }
public virtual IList<Staff> Staffs { get; set; }
}
,並相應地映射它們:
public class StaffRoleMap : ClassMap<StaffRole>
{
public StaffRoleMap()
{
Id(x => x.RoleId).Not.Nullable().Length(15);
Map(x => x.RoleName).Not.Nullable().Length(75);
HasMany(x => x.Staffs);
}
}
public class StaffMap : ClassMap<Staff>
{
public StaffMap()
{
Id(x => x.UserName).Not.Nullable().Length(15);
Map(x => x.FirstName).Not.Nullable().Length(25);
Map(x => x.LastName).Not.Nullable().Length(25);
Map(x => x.Email).Not.Nullable().Length(30);
Map(x => x.Active).Not.Nullable().Default("1");
References(x => x.StaffRole)
.ForeignKey("FKStaffRole")
.Column("RoleId")
.Cascade.None()
.Not.Nullable()
;
}
}
當我叫schemaexport,爲什麼它會生成2個外來的StaffRole的鑰匙?我總是得到RoleId和StaffRole_id。 RoleId是正確的,因爲它不能爲空,但額外的列/ fk是可以爲空的。
我失去了一些東西在這裏?