RE: keyfield -- RPG400-L

My requirment is only to use opnqryf ,iam nt using logical file
my question is that whether i can declare that file  as "K" in F-spec since
iam creating 3keyfields in opnqryf...hope u r clear with question!
can i do chain on this file?
Regards
Murali

> -----Original Message-----
> From: MWalter@hanoverwire.com [SMTP:MWalter@hanoverwire.com]
> Sent: Tuesday, January 21, 2003 6:38 PM
> To:   RPG programming on the AS400 / iSeries
> Subject:      Re: keyfield
> 
> 
> Murali,
> 
> If I understand your question, you'll have to create a logical file over
> the physical in order to do random I/O (ie. setll/read, chain). You can
> order your physical file with an OPNQRYF but that really should be used
> only for sequential processing. The access path (Keyfield(s)) has to exist
> over the file for your RPG program to compile.
> 
> 
> Good Luck,
> 
> Mark
> 
> 
> Mark Walter
> Sr. Programmer/Analyst
> Hanover Wire Cloth a div of CCX, Inc.
> mwalter@hanoverwire.com
> http://www.hanoverwire.com
> 717.637.3795 Ext.3040
> /"\
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> 
> |--------+-------------------------------->
> |        |          "N, Muralidhar"       |
> |        |          <Muralidhar.N@blr.hpsg|
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> |        |                                |
> |        |          01/20/2003 11:58 AM   |
> |        |          Please respond to RPG |
> |        |          programming on the    |
> |        |          AS400 / iSeries       |
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>   |       To:     "'RPG programming on the AS400 / iSeries'"
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>   |       cc:
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>   |       Subject:     keyfield
> |
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> 
> 
> 
> 
> I ve a file DAHDRT00(which doesnt ve keyfield) ,Iam doing opnqry by taking
> 3fields frm the file as  3keyfields) mentioned in ascending order on this
> file in my CL ,from there iam calling RPG ...Can i mention Record address
> type "k" on this file in my rpg prog? and do chain or use setll and read
> ?kindly suggest me ! here the code
> 
>  OVRDBF     FILE(DAHDRT00) TOFILE(*LIBL/DAHDRT00) +
>               MBR(*LAST) SHARE(*YES)
>  OPNQRYF    FILE((*LIBL/DAHDRT00 *LAST)) +
>               KEYFLD((DAHDRFCD *ASCEND) (DAHDRGRF +
>               *ASCEND) (DAHDRHFL *ASCEND))
>  CALL       PGM(*LIBL/DAD0070) PARM(&RTCODE)
>  CLOF       OPNID(DAHDRT00)
>  DLTOVR     FILE(*ALL)
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Murali
> 
> > -----Original Message-----
> > From:         Richard B Baird [SMTP:rbaird@esourceconsulting.com]
> > Sent:         Thursday, January 16, 2003 6:20 PM
> > To:           RPG programming on the AS400 / iSeries
> > Subject:           Re: sequential read
> >
> >
> > Murali,
> >
> > move the setll (and a primeing read) outside of your do loop - otherwise
> > you will read the 1st record only, an infinate number of times - an
> > endless
> > loop.
> >
> > --->
> >
> >   $Load_Hdr_Rec Begsr
> >   *Start        setll     DAHDRT00
> >                 READ      DAHDRT00
> >
> >                 DOW       NOT %EOF(DAHDRT00)
> > ....process record here......
> >                 READ      DAHDRT00
> >                 enddo
> >
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