The rule is, everything within the SELECT - Row without an aggregate
function (i.e. SUM, AVG, COUNT etc.) must be repeated within the GROUP BY
clause.
BTW dynamic SQL is not necessary in your example, use static instead (syntax
check already occurs at compile time ... and static SQL performs slightly
better than dynamic)
Mit freundlichen Grüßen / Best regards
Birgitta Hauser
"Shoot for the moon, even if you miss, you'll land among the stars." (Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them
and keeping them!"
?Train people well enough so they can leave, treat them well enough so they
don't want to.? (Richard Branson)
-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
(WalzCraft) Jerry Forss
Sent: Montag, 12. Dezember 2016 22:20
To: RPG programming on the IBM i (AS/400 and iSeries)
(rpg400-l@xxxxxxxxxxxx) <rpg400-l@xxxxxxxxxxxx>
Subject: Embedded SQL with join and sum
Hi All,
I have been fighting with this and just need to make progress.
I have 2 files, Order Header and Order detail, both keyed with Cust# and
Order#.
Joining them no problem.
What I want is a single row per Cust#, Order# with the sum of Quantity from
detail file.
SqlSel = 'Select OhCustNo, +
OhOrderNo, +
OhType, +
OhDSOOrd, +
OhShipDt1, +
OhInvoice1, +
OhAmount1, +
OhDiscnt1, +
OhPaidDt1, +
OhPaidDay1, +
OhEOL1, +
OhEOLDays1, +
Sum(OdQty) As Pieces +
From CusOrdHdS1 OH +
Inner Join CusOrdDtl OD On OdCustNo = OhCustNo And +
OdOrderno = OhOrderNo +
Where OhCustNo = ' + %EditC(CustNo : 'X') + ' And ' +
'OhShipDt1 >= ' + %Char(StartDateISO) + ' And ' +
'OhShipDt1 <= ' + %Char(EndDateISO) + ' ' +
'Group By OhCustNo, OhOrderNo ' +
'Order By OhShipDt1';
It is throwing an error on OhType?
Do all the fields need to be in the Group By?
Just trying to get my head around this.
Thanks!!
Jerry Forss
Information Technology Team
WalzCraft
608-781-6355 EXT 2530
jforss@xxxxxxxxxxxxx
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