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  1.  Home
  2. RPG400-L
  3. July 2010

RE: Embedded SQL - Join problems

Thanks all for your help. Thanks to John M. for putting me on the right
path (or at leasst one of the few I am sure). Since my TAXC05 field is
allowed to be null, this is what I did.

Defined a variable in D spec for nulls
D NullInds s 5i 0 dim(6)

Then added to FETCH behind the field that is allowed to be null. NOTICE
NO COMMA BETWEEN :TAXC05 and :NULLINDS

C/EXEC SQL
C+ FETCH NEXT FROM C1 INTO
C+ :CONO15,:PLNO15,:WONO15,:MQTY15,:MOVC15,:ACCN15,:TRND15,
C+ :MOVT15,:PNVM15,:PDES15,:PERN15,
C+ :TAXC05 :NULLINDS
C/END-EXEC

Thanks again, and if anyone has any better suggestions for this I am all
ears or eyes anyway.


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Maassel, John R
Sent: Thursday, July 22, 2010 12:40 PM
To: RPG programming on the IBM i / System i
Subject: RE: Embedded SQL - Join problems

A LEFT OUTER JOIN can allow nulls into the mix. Your FETCH doesn't look
it has null indicators for each field that can be null. When removing
the fields from the "right side" of the LEFT JOIN, you're not going to
have the problem. I usually don't use nulls so not sure what the syntax
for null indicators is. You might be able to find help from Google or
the SQL docs on that.

--
John Maassel
IBM i Programmer/Analyst
Bob Evans Farms, Inc
john_maassel@xxxxxxxxxxxx
614-492-7413

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-
bounces@xxxxxxxxxxxx] On Behalf Of Shannon Wolf
Sent: Thursday, July 22, 2010 12:02 PM
To: RPG programming on the IBM i / System i
Subject: RE: Embedded SQL - Join problems

My apologies. The lines below with an "*-----" are the lines which I
can remove for the sql to perform as expected.

Thanks


fWOP05U if e k disk
FWOP05UL1 IF E K DISK
F RENAME(WOR05U:WOR05UA)

C/EXEC SQL
C+ DECLARE C1 CURSOR FOR
C+ SELECT
C+ CONO15,PLNO15,WONO15,MQTY15,MOVC15,ACCN15,TRND15,
C+ MOVT15,PNVM15,PDES15,PERN15,
*----C+ CONO05,PLNO05,TAXC05
C+ FROM WOP15U A
C+ LEFT OUTER JOIN
C+ WOP05U B ON
C+ A.CONO15 = B.CONO05 AND A.PLNO15 = B.PLNO05 WHERE A.CONO15 = '01'
C+ AND
C+ A.MOVT15 = 'I' AND
C+ PERN15 >= :FRPRD AND PERN15 <= :TOPRD
C/END-EXEC

C/EXEC SQL
C+ FETCH NEXT FROM C1 INTO
C+ :CONO15,:PLNO15,:WONO15,:MQTY15,:MOVC15,:ACCN15,:TRND15,
C+ :MOVT15,:PNVM15,:PDES15,:PERN15,
*----C+ :CONO05,:PLNO05,:TAXC05
C/END-EXEC

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Needles,Stephen J
Sent: Thursday, July 22, 2010 11:51 AM
To: RPG programming on the IBM i / System i
Subject: RE: Embedded SQL - Join problems

Did you OPEN the cursor?

I couldn't see the highlighted code...must have been lost in
translation. Can you indicate it another way?

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Shannon Wolf
Sent: Thursday, July 22, 2010 9:52 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: Embedded SQL - Join problems

I am trying to use the following embedded sql code joining two files
via a left outer join. When I rmeove the highlighted code, I get the
results I am expecting, however, with the code inserted it doesn't
return any records, which tell sme there is probably some sort of
syntax issue. When I run the sql statement in SQL400 it is fine, and
when I run it through a third party SQL it runs fine. Please help.

fWOP05U if e k disk
FWOP05UL1 IF E K DISK
F RENAME(WOR05U:WOR05UA)

C/EXEC SQL
C+ DECLARE C1 CURSOR FOR
C+ SELECT
C+ CONO15,PLNO15,WONO15,MQTY15,MOVC15,ACCN15,TRND15,
C+ MOVT15,PNVM15,PDES15,PERN15,
C+ CONO05,PLNO05,TAXC05
C+ FROM WOP15U A
C+ LEFT OUTER JOIN
C+ WOP05U B ON
C+ A.CONO15 = B.CONO05 AND A.PLNO15 = B.PLNO05 WHERE A.CONO15 = '01'
C+ AND
C+ A.MOVT15 = 'I' AND
C+ PERN15 >= :FRPRD AND PERN15 <= :TOPRD
C/END-EXEC

C/EXEC SQL
C+ FETCH NEXT FROM C1 INTO
C+ :CONO15,:PLNO15,:WONO15,:MQTY15,:MOVC15,:ACCN15,:TRND15,
C+ :MOVT15,:PNVM15,:PDES15,:PERN15,
C+ :CONO05,:PLNO05,:TAXC05
C/END-EXEC

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