Re: DoU...

Well, yes, but there is no logical file with EqId, EqNo and RefB as the key.

And since this system is maintained by someone else, I didn't think it would
be a good idea to just add a logical without good cause.

Regards,

Jim Langston

Wanda Gigger wrote:
> 
> I would create a foreign key (keylist) with the key being EqId, EqNo, RefB.
> Then I would chain to that key...
> keylist     CHAIN       filename
>             IF          %found
>             (your code)
>             ENDIF
> -----Original Message-----
> From: owner-rpg400-l@midrange.com [mailto:owner-rpg400-l@midrange.com]On
> Behalf Of Jim Langston
> Sent: Friday, December 08, 2000 6:15 PM
> To: RPG400-L@midrange.com
> Subject: DoU...
> 
> I am writing a new program, and one of the things I am trying to do is
> to see if a record already exists.  The Key for this record has the
> Equipment Number (in 2 parts, EqId and EqNo) and Entry date.
> 
> What I am actually looking for is the record with the same equipoment
> number and the existing RefB (Customer Refernace Number) matching.
> 
> This is the way I'm doing it, and obviously after this code I am going
> to have to do a If FoundMatch = *On, or to put a call to a subroutine
> just before, or after, the Eval FoundMatch = *On.
> 
> It's not, IMO, real clean code.  I seem to think it can be streamlined a
> bit.  I am only reading the records with the same container number as I
> use a SetLL and my DoU will fail when the container doesn't match.
> 
> Any suggestions?  All comments welcome.
> 
>  C                   Eval      FoundMatch = *Off
>  C     CCOHD_Key     SetLL     OHdRc
>  C                   Read      OHdRc
>  C                   DoU       FoundMatch = *On
>  C                             Or %Eof(OHdRc)
>  C                             Or EQEqId <> RXEqId
>  C                             Or EqEqNo <> RXEqNo
> 
>  C                   If        %Trim(OHBL#) = %Trim(RXInv#)
>  C                   Eval      FoundMatch = *On
>  C                   Else
>  C                   Read      OHdRc
>  C                   EndIf
> 
>  C                   EndDo
> 
> Regards,
> 
> Jim Langston
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