Re: New to RPG

[Charles Wilt <charles.wilt@xxxxxxxxx>]

A decent SQL based query tool would be a better choice IMO than the RPG
cycle...

Charles

On Thu, Apr 27, 2017 at 11:33 AM, Englander, Douglas <
Douglas_Englander@xxxxxxxxxxxxx> wrote:

> I agree with James Lampert. Do not ignore the cycle. I agree that in
> "most" current applications, it is not utilized. However, when producing
> reports or PDFs with subtotals, the cycle can't be beat. You do not have to
> worry about coding logic that says "compare these two values, and when they
> change, do that" for each subtotal level desired. It is much easier to use
> the cycle and only code what should happen when the value changes. Let the
> compiler worry about all of that extra comparison and save prior value
> stuff so you don't have to. You can use the cycle in modern ILE-RPG code
> also.
>
> I had worked in a school system and people were always asking for detailed
> student reports with summarized data at the classroom [L1], grade level
> [L2], school building [L3], and entire district level [LR]. That is where I
> learned an appreciation for the ease of Level Indicators and the Cycle.
>
> In addition, if you have to maintain older code, you may need an
> understanding of what the cycle does for you "behind-the-scenes".
>
> Doug
>
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