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Nathan,
Since you have the program ready, I was curious to what happens if you want the program to write the new field - so you add that but forget to change the record length on the file spec? Do you get any errors, or does the write ignore the added fields or ???? What happens if you set the record length to some large value such as 1000, does that cause any error.
Thanks,
Scott Mildenberger
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Nathan Andelin
Sent: Wednesday, November 07, 2012 11:15 AM
To: RPG programming on the IBM i / System i
Subject: Re: Are level checks still useful?
PHP/MYSQL people scratch there head (more like point fingers at
me and snicker) when we struggle with level check.
There was a tip on Linkedin last night for people who are struggling with file level checks. It seemed to be worth considering, so I wrote a small program to test the idea. This is a program that performs setll, read, write, update, and delete operations against a table:
http://www.radile.com/rdweb/temp/rla110.txt ;
With this structure, no file level checks are reported at runtime even though the file is defined with LVLCHK(*YES), new fields have been added, using alter table, the program was NOT recompiled, and it seems to run flawlessly.
Thoughts?
Record layouts and key layouts are externally defined, too. Nice!
-Nathan
midrange.com
