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  1.  Home
  2. RPG400-L
  3. September 2006

RE: Embedded SQL update a field based on difference of totalsin2otherfiles

Would below work?
Update DMVDRMST v 
  Set v.AMDUE = 
    Coalesce(
      (Select Sum(i.INVAM) From VAINVWK i where v.VNDNR = i.VNDNR),
       Cast(0.00 as Decimal(7,2))
    ) -
    Coalesce(
      (Select Sum(p.PAYAM) From VAPAYWK p where v.VNDNR = p.VNDNR),
       Cast(0.00 as Decimal(7,2))
    )

 
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Crosby
Sent: Monday, September 11, 2006 3:08 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Embedded SQL update a field based on difference of
totalsin2otherfiles

It doesn't work.

2 problems that I see right off:

1) On vendors with at least 1 open invoice and no unmatched payments,
nothing is done to the AMDUE field.

2) Only 1 vendor actually has an unmatched payment.  This vendor has 2
open invoices.  The AMDUE field has been set to (the sum of the 2
invoices) less (The unmatched payment amount * 2).  Ie, each open
invoice is $3.75, for a total of $7.50.  The unmatched payment amount is
$3.00.  AMDUE s/b set to $4.50, but was actually set to $1.50.  The
payment amount was subtracted twice, probably related to the fact there
are _2_ open invoices.  To confirm this, I slammed in a 3rd invoice, and
then the payment amount was subtracted
3 times.

I may have to give up and use record I/O.  I think I've already spent
too much time starting last week, but this seems like such a proper fit
for SQL.

--
Jeff Crosby
Dilgard Frozen Foods, Inc.
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531

The opinions expressed are my own and not necessarily the opinion of my
company.  Unless I say so.
 


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Wilt, Charles
Sent: Monday, September 11, 2006 3:26 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Embedded SQL update a field based on difference of totals



in2otherfiles

Disregard my prior examples, posted to quick without making sure I was



sticking the statement in the right place.

The should be:
ActSQL = 'Update DMVDRMST z +
                 Set z.AMDUE = +
                 Coalesce((Select Sum(i.INVAM) - Sum(p.PAYAM) +
                           From DMVDRMST v +
                             Left Outer Join +
                           VAINVWK i On v.VNDNR = i.VNDNR +
                             Left Outer Join +
                           VAPAYWK p On v.VNDNR = p.VNDNR +
                           where z.vndnr = v.vndnr), +
                           Cast(0.00 as Decimal(7,2)))';

Or

ActSQL = 'Update DMVDRMST v +
                 Set v.AMDUE = +
                 Coalesce((Select Sum(i.INVAM) - Sum(p.PAYAM) +
                           from VAINVWK i +
                             Left Outer Join +
                           VAPAYWK p On v.VNDNR = p.VNDNR +
                           where v.VNDNR = i.VNDNR), +
                           Cast(0.00 as Decimal(7,2)))';

Sorry about that,

Charles Wilt
--
iSeries Systems Administrator / Developer Mitsubishi Electric 
Automotive America
ph: 513-573-4343
fax: 513-398-1121
  


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Wilt, Charles
Sent: Monday, September 11, 2006 3:20 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Embedded SQL update a field based on

difference of totals

in 2otherfiles

Jeff,

Try this:

ActSQL = 'Update DMVDRMST z +
                 Set z.AMDUE = +
                 Coalesce((Select Sum(i.INVAM) - Sum(p.PAYAM) +
                           From DMVDRMST v +
                             Left Outer Join +
                           VAINVWK i On v.VNDNR = i.VNDNR +
                             Left Outer Join +
                           VAPAYWK p On v.VNDNR = p.VNDNR), +
                           Cast(0.00 as Decimal(7,2))) +
                           where z.vndnr = v.vndnr';

You have to tie a record from the updated file to the

subselect.  I'm

doing that here with the where z.vndnr = v.vndnr.  Note

that I change

to correlation name on the update file from v to z so not

to confuse

it with the DMVDRMST file in the subselect.

This would be a simpler form:
ActSQL = 'Update DMVDRMST v +
                 Set v.AMDUE = +
                 Coalesce((Select Sum(i.INVAM) - Sum(p.PAYAM) +
                           from VAINVWK i +
                             Left Outer Join +
                           VAPAYWK p On v.VNDNR = p.VNDNR), +
                           Cast(0.00 as Decimal(7,2)))
                           where v.VNDNR = i.VNDNR';

You shouldn't(?) need the DMVDRMST file in there twice.

HTH,

Charles Wilt
--
iSeries Systems Administrator / Developer Mitsubishi Electric 
Automotive America
ph: 513-573-4343
fax: 513-398-1121
  


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx 
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jeff Crosby
Sent: Monday, September 11, 2006 2:59 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: Embedded SQL update a field based on difference

of totals

in 2 otherfiles

All,

I hope I'm not overstaying my welcome with too many SQL

questions,

but I'm really learning a lot from it, and I can't seem

to find any

examples that fit this scenario.  Or else I'm just not hitting on 
the right search terms.
Or else you'll tell me I'm making it much harder than it

needs to be.


We want to print a trial balance report "as of" a date in

time.  To

do this, I created QTEMP work files: the vendor master

file and the

2 related transaction files (open invoices and unmatched

payments).  

Then I programmatically determined, based on dates, which 
transactions were "open"
at that time, and inserted them into the QTEMP

transaction files.  

Now I want to set the QTEMP vendor master file field AMDUE (amount
due) to be the
net of those transactions, by vendor.

Here's what I tried:

ActSQL = 'Update DMVDRMST v +
                 Set v.AMDUE = +
                 Coalesce((Select Sum(i.INVAM) - Sum(p.PAYAM) +
                           From DMVDRMST v +
                             Left Outer Join +
                           VAINVWK i On v.VNDNR = i.VNDNR +
                             Left Outer Join +
                           VAPAYWK p On v.VNDNR = p.VNDNR), +
                           Cast(0.00 as Decimal(7,2)))';

Exec SQL Execute Immediate :ActSQL;

Don't laugh if this is really bad SQL <g>.  I dumped the program 
afterward.
Variable ActSQL has what I expect in it, and SQLSTT is

01504 (UPDATE

or DELETE does not contain a WHERE clause).  But AMDUE in the

master has

70,662.30 dollars in _every_ record of the master.  This

70,662.30

figure is the net of _all_ transactions for _all_ vendors.

Am I heading the right direction?

Thanks.

--
Jeff Crosby
Dilgard Frozen Foods, Inc.
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531

The opinions expressed are my own and not necessarily the

opinion of

my company.  Unless I say so.


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