I would like to convert a subselect to use an inner join?

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0
I have the SQL below (it gives the correct data) using several sub selects I want to use in a PS query via the PS request handler. However, Manager queries PS will only a sub select when you create a query, but it will allow an inner join. So, I was hoping to rewrite it as a join but can not understand. Perhaps using a view would work? Or if it happens to be expert PS9.1 out there who might know an effcient way more to create the query that would be great as well. I have several versions of different trails of my SQL inner join if someone wishes to see those.
select business_unit,
       ledger,
       fund_code,
       account,
       foreign_amount,
       open_item_key
  from ps_open_item_gl a
 where (business_unit, ledger, fund_code, account) in
       (select business_unit, ledger, fund_code, account
          from (select business_unit,
                       ledger,
                       fund_code,
                       account,
                       sum(foreign_amount)
                  from ps_open_item_gl b
                 where b.open_item_status = 'O'
                 group by business_unit, fund_code, account, ledger
                having sum(foreign_amount) = 0))
   and open_item_status = 'O'
   and business_unit not in ('4110', '5301', '6501', '6602')
 order by 1, 2, 3, 4, 6

Hello

956171 wrote:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0
I have the SQL below (it gives the correct data) using several sub selects I want to use in a PS query via the PS request handler. However, Manager queries PS will only a sub select when you create a query, but it will allow an inner join. So, I was hoping to rewrite it as a join but can not understand.

I don't know what you mean by "select sub", or what exactly is the PS limitation.
Are you talking about the query nested in the IN clause? It is not necessary. The following is equivalent to what you posted:

select business_unit,
       ledger,
       fund_code,
       account,
       foreign_amount,
       open_item_key
  from ps_open_item_gl a
 where (business_unit, ledger, fund_code, account) in
       (
           select    business_unit, ledger, fund_code, account
           from      ps_open_item_gl b
           where     b.open_item_status = 'O'
           and           business_unit  not in ('4110', '5301', '6501', '6602')
           group by  business_unit, ledger, fund_code, account
           having    sum (foreign_amount) = 0
       )
   and open_item_status = 'O'
 order by 1, 2, 3, 4, 6

I move the condition 'and business_unit not in ('4110', '5301', '6501', 6602') ' in the subquery just for efficiiency.

I think you would need a subquery, even if you don't re - he writes as a join.

Perhaps using a view would work?

No doubt. Again, I know not what PS objects to, but you can probably hide in a vision where the PS can complain about this.

Tags: Database

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