MSSQL中递归SQL查询语句实例说明-

with znieyu as
(
select c.Id,c.FatherId,0 as lv1 from ColumnTable c where c.Number=67
union all
select c.Id,c.FatherId,lv1-1 from znieyu z
inner join ColumnTable c
on z.FatherId=c.Id
)
select znieyu.Id ,znieyu.FatherId,znieyu.lv1 as lv from znieyu