Fluent nhibernate 流畅的多对多关系问题
我在尝试使用Fluent Nhibernate删除多对多关系时遇到了一个问题。我有以下域类:Fluent nhibernate 流畅的多对多关系问题,fluent-nhibernate,Fluent Nhibernate,我在尝试使用Fluent Nhibernate删除多对多关系时遇到了一个问题。我有以下域类: public class Organisation { public virtual int Id {get; set;} private IList<OrganisationRelationshiop> relatedOrganisations; public virtual IList<OrganisationRelationship> Related
public class Organisation
{
public virtual int Id {get; set;}
private IList<OrganisationRelationshiop> relatedOrganisations;
public virtual IList<OrganisationRelationship> RelatedOrganisation
{
get
{
return this.relatedOrganisations;
}
protected set
{
this.relatedOrganisations = value;
}
}
public virtual void RemoveRelatedOrganisation(OrganisationRelationship organisationRelationship)
{
this.relatedOrganisations.Remove(organisationRelationship);
}
}
Her是表的脚本:
组织机构表:
组织关系工作表:
组织关系类型表:
一切正常,但当我尝试删除关系时,fluent Nhibernate会尝试将该特定记录的CompanyId设置为null,而不是从CompanyRelationship表中删除该记录。以下是我在NHProf中看到的问题:
UPDATE CompanyRelationship
SET CompanyId = null
WHERE CompanyId = 3893 /* @p0 */
AND Id = 487 /* @p1 */
要删除记录,我调用RemoveRelatedCompany函数,该函数从RelatedCompanys列表中删除特定的CompanyRelationship,然后调用Session.Save()和Session.Flush()保存公司实体
关于我在这里做错了什么,你有什么想法吗 可能必须设置.Cascade.AllDeleteOrphan();(cascade=“all delete orphan”)在您的映射上
此外,如果您发布映射,将更容易回答您的问题,因为我使用自动映射,我必须覆盖组织的映射,如下所示以解决问题:
mapping.HasMany(c=>c.relatedOrganizations).Inverse().ForeignKeyCascadeOnDelete().Table(“OrganizationRelationship”) 您还可以发布映射类吗?
CREATE TABLE [dbo].[Organisation](
[Id] [int] IDENTITY(1,1) NOT NULL,
[OrganisationName] [nvarchar](200) NOT NULL,
CONSTRAINT [PK_Organisation] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
CREATE TABLE [dbo].[OrganisationRelationship](
[Id] [int] IDENTITY(1,1) NOT NULL,
[OrganisationId] [int] NOT NULL,
[RelatedOrganisationId] [int] NOT NULL,
[OrganisationRelationshipTypeId] [int] NOT NULL,
CONSTRAINT [PK_OrganisationRelationship] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
CREATE TABLE [dbo].[OrganisationRelationshipType](
[Id] [int] IDENTITY(1,1) NOT NULL,
[Name] [nvarchar](50) NOT NULL,
CONSTRAINT [PK_OrganisationRelationshipType] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
UPDATE CompanyRelationship
SET CompanyId = null
WHERE CompanyId = 3893 /* @p0 */
AND Id = 487 /* @p1 */