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Like this:
>  d extDS        e ds                            extname(EXTDS)
>  D pExtDS         s                        *    Inz(%addr(extds))
>  d extDSovr       s                     100a    BASEd(pExtDS) %dim(elem)

Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 





cozzi@xxxxxxxxx
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
08/06/2003 03:39 PM
Please respond to RPG programming on the AS400 / iSeries
 
        To:     rpg400-l@xxxxxxxxxxxx
        cc: 
        Fax to: 
        Subject:        Re: Overlay an External DS


I was referring to the example I provided that solved your program.
In my example the field needed to be a stand-alone field. I wasn't
talking about your original example.

-Bob


> 
> I don't think so, SEU (yeah yeah, I know...) won't permit the
overlay
> keyword on the field if I mark it as stand alone.  Besides,
whenever
> I've used overlay before it has been inside a DS, I just never did
it
> with an External DS before. 
> 
> Is it maybe because the External DS fields already have names?  I
> wouldn't think that matters, but at this point I'd believe almost
> anything.
> 
> Joel
> http://www.rpgnext.com
> 
> 
> On Wed, 2003-08-06 at 16:02, cozzi@xxxxxxxxx wrote:
> > The EXTDSOVR field should be a stand-alone field "S". Sorry.
> > 
> > -Bob
> > 
> > 
> > > 
> > > I'm trying to overlay an external DS that gets populated by an
> SQL
> > > statement.  When I do NOT include the data, the DS is populated
> > > correctly: if I add the overlay, the DS is blank even though
the
> > SQL
> > > statement has no trouble finding the record.
> > > 
> > > <psuedo-code>
> > > 
> > > // this way extDS gets populated
> > > d extDS        e ds                            extname(EXTDS)
> > > ...
> > > c/exec SQL
> > > c+   Fetch next 
> > > c+    from myCursor 
> > > c+    into :extDS
> > > c/end-exec
> > > 
> > > // this way extDS (and hence extDSovr) does NOT get populated
> > > // elem is the correct number of fields in EXTDS
> > > // All fields in EXTDS are defined the same: 100a
> > > d extDS        e ds                            extname(EXTDS)
> > > d extDSovr                             100a    overlay(extDS)
> > > %dim(elem)
> > > ...
> > > c/exec SQL
> > > c+   Fetch next 
> > > c+    from myCursor 
> > > c+    into :extDS
> > > c/end-exec
> > > 
> > > </psuedo-code>
> > > 
> > > Any idea why this is happening or even better how to fix it?
> > > 
> > > Thanks!
> > > 
> > > Joel
> > > http://www.rpgnext.com
> > > 
> > > 
> > > _______________________________________________
> > > This is the RPG programming on the AS400 / iSeries (RPG400-L)
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> > _______________________________________________
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> mailing list
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> 
> _______________________________________________
> This is the RPG programming on the AS400 / iSeries (RPG400-L)
> mailing list
> To post a message email: RPG400-L@xxxxxxxxxxxx
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