SQL recursive query (Oracle) -

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i'm having problem recursive query in oracle.

i'm able result using cte in sql server, have adapt code oracle.

the code i'm using is

with n(portefeuille, client, level, opcvm, ca, iter)  (     select           portefeuille, client, 0 level, opcvm,  ca,         cast(',' + cast(portefeuille varchar) + ',' varchar) iter              dbo.chiffres              opcvm null      union      select           m.portefeuille, n.client, n.level+1, m.opcvm, m.ca + n.ca,          cast(iter + cast(m.portefeuille varchar) + ',' varchar) iter              dbo.chiffres m      inner join         n on n.portefeuille = m.opcvm   ) select distinct     n.level, n.client, n.portefeuille, n.ca , n.opcvm, iter,     (select count(*)       n t1       t1.iter '%,' + cast(n.portefeuille varchar) + ',%') - 1 subordinates      n, dbo.chiffres c      ((select count(*)        n t1        t1.iter '%,' + cast(n.portefeuille varchar) + ',%') - 1) = 0 order     level

i think have use 'connect by' in oracle, i'm not sure how use it.

in fact, in final code, sould use "select....." instead of table dbo.chiffres.

the result of "select...." (juste exemple)

client  |  portefeuille  | ca   |  opcvm 31054   | 024            | 140         |  null 104900  | 034             |200         | 024 31054   | 006             | 10         | null

and final result want is

level | client  |  portefeuille  | ca   |  iter    | subordinates 0     | 31054   | 034            | 340         |  ,024,034,     |0 1     | 31054   | 006            | 10         | ,006,           |0

something this:

with n(portefeuille, client, lvl, opcvm, ca, iter) (   select  portefeuille,           client,           0,           opcvm,           ca,           ',' || portefeuille      dbo.chiffres     opcvm null  union   select  m.portefeuille,           n.client,           n.lvl+1,           m.opcvm,           m.ca+n.ca,           iter || m.portefeuille || ','      dbo.chiffres m           inner join n           on n.portefeuille = m.opcvm ) select distinct        n.lvl,        n.client,        n.portefeuille,        n.ca ,        n.opcvm,        iter,        ( select count(*)                 n t1                 t1.iter '%,' || n.portefeuille || ',%'        ) - 1 subordinates   n,        dbo.chiffres c ((select count(*) n t1 t1.iter '%,' || n.portefeuille || ',%') - 1) = 0 order lvl

i haven't got tables test on i've

  • renamed level lvl (as level keyword used in hierarchical queries).
  • the string concatenation operator || in oracle rather +.
  • removed casts - don't think need them.

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