Re: Are level checks still useful?

[Alan Campin <alan0307d@xxxxxxxxx>]

What happens if you change type or size?


On Wed, Nov 7, 2012 at 11:15 AM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

> > 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
>
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