– 查找所有父节点
with tab as
(
select Type_Id,ParentId,Type_Name from Sys_ParamType_V2_0 where Type_Id=316–子节点
union all
select b.Type_Id,b.ParentId,b.Type_Name
from
tab a,–子节点数据集
Sys_ParamType_V2_0 b –父节点数据集
where a.ParentId=b.Type_Id –子节点数据集.parendID=父节点数据集.ID
)
select * from tab;
– 查找所有子节点
with tab as
(
select Type_Id,ParentId,Type_Name from Sys_ParamType_V2_0 where Type_Id=1–父节点
union all
select b.Type_Id,b.ParentId,b.Type_Name
from
tab a,–父节点数据集
Sys_ParamType_V2_0 b–子节点数据集
where b.ParentId=a.Type_Id –子节点数据集.ID=父节点数据集.parendID
)
select * from tab;
–查找从子节点到定级节点的路径
with tab as
(
select Type_Id,ParentId,Type_Name,cast(Type_Id as varchar(100)) as fulltypeid
from SKU_ProductType where Type_Id=423–子节点
union all
select
b.Type_Id,b.ParentId,b.Type_Name,
cast(a.fulltypeid+‘,’+cast(b.Type_Id as nvarchar(100)) as varchar(100)) as fulltypeid
from
tab a,–子节点数据集
SKU_ProductType b –父节点数据集
where a.ParentId=b.Type_Id –子节点数据集.parendID=父节点数据集.ID
)
select * from tab ;
