mssql查询所有上下级

if exists (select * from sys.all_objects where name='GetOrgTreeByID')

begin

drop proc GetOrgTreeByID

end

go

GO

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

-- =============================================

-- Author:

-- Description: <获取组织架构所有上下级>

-- =============================================

CREATE PROCEDURE [dbo].[GetOrgTreeByID]

@ID int,--查询的ID
@QueryType nvarchar(50)	--查询方式,down:查询所有下级,up:查询所有上级

AS

BEGIN

IF(@QueryType='down')

begin

with DownLevel as

(

select id,ParentID,OrgName, 0 as lvl from tabOrg

where id = @ID

union all

select d.id,d.ParentID,d.Orgname,lvl + 1 from DownLevel c inner join tabOrg d

on c.Id = d.ParentID

)

select * from DownLevel

end

else

begin

with UpLevel as

(

select id,ParentID,OrgName, 0 as lvl from tabOrg

where id = @ID

union all

select d.id,d.ParentID,d.Orgname,lvl + 1 from UpLevel c inner join tabOrg d

on c.ParentID = d.id

)

select * from UpLevel

end

END

GO

--exec GetOrgTreeByID 2,'up'