Re: DSPFFD with KeyList

[Bob Larkin <blarkin@xxxxxx>]

Create a logical file over QADSPFFD. You can do this after the DSPFFD, or you 
must
somehow prebuild the QADSPFFD file, then the new logical. Your dds will not list
any fields, except "K" lines for the keys, in the order you want them.

Then, your RPG program gets an "E" in the F spec, for externally defined. Now 
you
do not need to use an override, or a OpnQryF.

to compile the program, you must have the physical & logical files built. To do
this interactively, dso a dspffd on a file, use CRTLF to create the logical 
file,
use CRTxxxPGM to create the program. To do it in batch, put those steps in a CL.

HTH,
Bob
VENU YAMAJALA wrote:

> Hi All,
>
>  I want to retreive (random retreival)  the database fields' information
> from DspFfd command in an RPGLE pgm.
>
>  I need some suggestions/help. In my driver CL pgm I am doing a DSPFFD
> of one database file to an outfile in QTEMP library. Say QTEMP/DSPxxx. I want
> to build a key for this outfile and use the keyed file in my called RPG. I am
> confused with the sequence of steps I need to do. I am doing
>
> OvrDbf  Qtemp/DSPxxx  SHARE(*YES)
> OpnQryF (Qtemp/DSPxxx) KEYFLD(WHLIB  WHFILE   WHFLD)  OPENSCOPE(*JOB)
>
> Call RPG1
>
> In my RPG1, I will be doing some CHAIN to this file. So I need to define the
> file in the F specs. I defined it as QADSPFFD (template of DSPFFD).
>
> I am missing something here. The QADSPFFD in the F spec cannot be defined as
> Keyed (it is giving a compile error!!). If I dont define it as keyed, I cannot
> do a CHAIN. Next problem is I need this QADSPFFD to point to the dynamically
> built keyed OpnQryF file. I am missing something here.
>
> Can anybody help me or is there any work-around. Thanx in advance for any help
> or suggestions.
>
> Rgds,
> Vg
> +---
> | This is the Midrange System Mailing List!
> | To submit a new message, send your mail to MIDRANGE-L@midrange.com.
> | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
> | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
> | Questions should be directed to the list owner/operator: david@midrange.com
> +---


begin:          vcard
fn:             Bob Larkin
n:              Larkin;Bob
org:            <A HREF="HTTP://web.wt.net/~blarkin/">Larkin Computer Consulting</A>
adr:            <A HREF="http://web.wt.net/~blarkin/">Bob and Diana's Page</A>;;;Houston;TX;<A HREF="http://web.wt.net/~blarkin/">;United States
email;internet: blarkin@wt.net
title:          Systems Consultant
x-mozilla-cpt:  ;4104
x-mozilla-html: FALSE
version:        2.1
end:            vcard