Re: Question: Major Differences Between COBOL/400 and ILECOBOL

If the precompiler accepts only two levels and it accepted host-com-key as the 
first level, would it accept more than just two fields, if they were all at the 
10 level? keeping the file reference only at two levels? 
 
 I would like your expert opinion ,would l the example I just mentioned legally 
pass the precompiler edits?  
 
 I plan to follow your advice and not use "Select*".  I'm just trying to figure 
out how the precompiler would treat mutiple (more than two) 10 level elements.
 
I appreciate your input. Have a nice day!
 
D Meza  
I thank you for your previous reply
"R. Bruce Hoffman, Jr." <rbruceh@xxxxxxxxxxxxx> wrote:
----- Original Message ----- 
From: "D Meza" 
To: "COBOL Programming on the iSeries/AS400" 
Sent: Wednesday, October 08, 2003 10:25 AM
Subject: Re: Question: Major Differences Between COBOL/400 and ILECOBOL


> EXEC SQL
> SELECT *
> INTO :HOST-COM
> FROM TEST/SCOMP
> WHERE (SCOMCO = 'COMPANYNAME' and
> SCOMSSN = '999999999')
> END-EXEC.
>
> *Working Storage
> 01 HOST-COM.
> 05 HOST-COM-KEY.
> 10 HOST-COMPNAME PIC X(11).
> 10 HOST-COMSSN PIC X(09).


there is a "difficulty" in the precompiler... it only accepts 2 levels in a
structure target. In your example above, the precompiler can not accept
host-com... it could accept host-com-key, and again, only if the two fields
in that structure are the only two fields in the file.

Select * is (IMO) not a recommended practice. It ties your program to the
physcial structure of the data.

When you do a COPY DD, DDR, DDS, etc... it starts with the record at an 05
level and the fields at an 06 level. If you then reference the 01 level
structure, the precompiler will choke.


===========================================================
R. Bruce Hoffman, Jr.
-- IBM Certified Specialist - iSeries Administrator
-- IBM Certified Specialist - RPG IV Developer

"When I die, I want to die like my grandmother who died peacefully
in her sleep. Not screaming like all the passengers in her car."

- Author Unknown

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