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Can I have a correlated subquery in the FROM clause for DB2 for i?

This doesn't seem to be working...

with list as (select line, ndcupc, gppc
from tempsav.cmw
left outer join medispan.mf2ndc on ndc = ndcupc )
select *
from list L
left outer join (select ndcupc, idescr
, olsmlprg.calccustacqcost(decimal(150,6,0),
iitnbr) as acq_cost
, gppc
from medispan.mlitems M
left outer join
olsdta.ioritemmst using (iitnbr)
where gppc = m.gppc
order by 3
fetch first row only) as lowprc
on L.gppc = lowprc.gppc
;

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