RE: DDS WITH SELECT

Just to expand upon Kurt's answer.

A          S TCODE                     COMP(NE 'CU')
A          S TCODE                     COMP(NE 'PH')

means 
    Select TCODE NE 'CU' 
or  Select TCDOE NE 'PH'


whereas 
A          S TCODE                     COMP(NE 'CU')
A            TCODE                     COMP(NE 'PH')

means
    Select TCODE NE 'CU' 
       and TCDOE NE 'PH'        


The existence of 'S' or 'O' in the select/omit column starts a new AND group.

When you have multiple AND groups, they are OR'd together.


>From the manual:
"When using the select/omit fields, specify either S or O in position 17. By 
specifying either S or O, the
select and omit comparison statements are ORed together. The system treats the 
ORed select and omit
comparison statements independently from one another. That is, if the select or 
omit comparison condition
is met, the record is either selected or omitted. If the condition is not met, 
the system proceeds to the next
comparison.
By specifying a blank in position 17, the select and omit comparison statements 
are ANDed together."


HTH,

Charles Wilt
--
iSeries Systems Administrator / Developer
Mitsubishi Electric Automotive America
ph: 513-573-4343
fax: 513-398-1121
 

> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Kurt Anderson
> Sent: Friday, July 29, 2005 8:30 AM
> To: RPG programming on the AS400 / iSeries
> Subject: RE: DDS WITH SELECT 
> 
> 
> Shannon,
> 
> Omit the 2nd 'S' as below.
> Although I back the suggestion to use Omit over Select is in this
> situation because you'd be omitting less records than you'd 
> be selecting
> (less work by the system).
> 
> 
> A          R IMHISTF                   PFILE(IMHIST)
>  * 
> A          K ITNBR 
> A          K HOUSE 
> A          K TRNDT                     DESCEND 
>  * 
> A          S TCODE                     COMP(NE 'CU')
> A            TCODE                     COMP(NE 'PH')
> 
> Kurt Anderson
> Application Developer
> Highsmith Inc
> 
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
> Shannon.Wolf@xxxxxxxxxx
> Sent: Friday, July 29, 2005 7:15 AM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: DDS WITH SELECT 
> 
> In the following DDS I am trying to exclude records with certain
> transaction types.  To do this you'll see I put a select with 
> a "COMP(NE
> 'CU')".  When I look at the file or run the program that uses 
> this DDS,
> I still get records with 'CU' and 'PH' transactions.  Am I forgetting
> something?
> A          R IMHISTF                   PFILE(IMHIST)
>  * 
> A          K ITNBR 
> A          K HOUSE 
> A          K TRNDT                     DESCEND 
>  * 
> A          S TCODE                     COMP(NE 'CU')
> A          S TCODE                     COMP(NE 'PH')
> --
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