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springboot课程讲解


1.11with T1 as ( select id from sps_rmd_statistics where id = 77),T2 as ( select id from sps_rmd_statistics where id = 76),T3 as ( select id from sps_rmd_statistics where id = 78)select id from T1union allselect id from T2union allselect id from T3– 从id=76向下查with RECURSIVE le (id,count_num,share_to) as (select id,count_num,share_to from sps_rmd_statistics where id= 76union allselect e2.id,e2.count_num,e2.share_to from sps_rmd_statistics e2,le e3 where e3.id = e2.count_num)select id,count_num,share_to from le– 指定查询几层– 从id=76向下查with RECURSIVE le (id,count_num,share_to,path,depath) as (select id,count_num,share_to,Array[id] as path,1 as depath from sps_rmd_statistics where id= 76union allselect e2.id,e2.count_num,e2.share_to,e3.path || e3.id,e3.depath + 1 from sps_rmd_statistics e2,le e3 where e3.id = e2.count_num)select id,count_num,share_to ,path,depath from le where depath lt; 4


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