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I have used the API method as well as reading file QSYS/QADBFLD.  In many
cases reading the QADBKFLD is easier.  I do not have acces to OS400 right
now to look, but the file may contain null fields, and may be *EXCLUDE.

Don Tully

"Bob Cozzi" <cozzi@xxxxxxxxx> wrote in message
news:200409231814.i8NIErkY009489@xxxxxxxxxxxxxxxxxxxx
> The field with the number of fields in it from QUSLFLD is named QUSNBRLE
> To get it you need to read the standard header, and from within it use
> subfield QUSOHS+1 to get the location of the header returned by QUSLFLD.
> Within that area is the QUSNBRLE subfield that contains the number of
field
> names returned.
> Or, use the RPG xTools and just do this:
>  Eval  nFldCount = CrtFldList('QGPL/FIELDS' : 'CUSTMAST')
>
> -Bob Cozzi
>
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of CWilt@xxxxxxxxxxxx
> Sent: Thursday, September 23, 2004 12:57 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: RE: Key field info
>
> Rob and Scott have tried, now I'll give it my shot....
>
> The number of entries field isn't shown under the QUSLFLD API.
>
> Instead, it has the following:
>
> Format of the Generated List
> The field list consists of:
>
> -A user area
> -A generic header
> -An input parameter section
> -A header section
> The FLDL0100, FLDL0200, or FLDL0300 list data section
> For details about the user area and generic header, see User space format
> for list APIs.
>
> Notice the "see User space format for list APIs".  Now when you following
> that link you'll find detailed information about the user area and generic
> header sections listed above.  Specifically, you'll see where the generic
> header section contains the number of entries field at offset 184 (from
the
> start of the generic header).
>
> Does that make sense?
>
> Charles
>
>
>
>
> > -----Original Message-----
> > From: Tony Carolla
[mailto:carolla@xxxxxxxxx]
> > Sent: Thursday, September 23, 2004 1:36 PM
> > To: RPG programming on the AS400 / iSeries
> > Subject: Re: Key field info
> >
> >
> >
> >
> > Thanks Rob.
> >
> > All of the information I have on APIs is located at IBM's site -- I
> > don't even have QSYSINC loaded, so I have to hand-code the PR's (oh,
> > the agony -- never forget that Binary4 = 10I 0!!!).
> >
> > In the description of the QUSLFLD API, in the header section, I don't
> > see anything indicating the number of fields returned.  I know that
> > this is the norm, but I am not seeing it for this API.
> >
> > I looked in QSYS2/SYSCOLUMNS, and I don't see a field that indicates
> > which fields are keys.  I looked in several of the views in QSYS2
> > (syskeys, syskeycst, systables, sysindexes), and I don't see any
> > columns in these views that tell the key fields.
> >
> >
> >
> > -- 
> > "Enter any 11-digit prime number to continue..."
> > --
> > This is the RPG programming on the AS400 / iSeries (RPG400-L)
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> >
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