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  3. February 2018

Re: What is a Modern RPG Programmer???

John Erps,

I didn't say never use a subroutine. I said that I personally went
hardcore on only using subprocedures for a year. And stated my reason.
You can see that below in the thread. Once I broke the habit of falling
back to what was easy and comfortable I used subroutines where
appropriate. I really thought I was quite clear on that.

One thing to keep in mind is to always think of the future.
What may be a subroutine in an existing program could evolve.
- First into a subprocedure
- Next moved out of the main program into a service program.
- Then someone could create a UDF from that service program subprocedure
- That UDF could be called by SQL with stuff like Select item_number,
onhand(item_number)...
- That UDF could be imbedded into an SQL view Create view Item_user as
(select item_number, onhand(item_number)...
and thus making user queries easier.


Rob Berendt

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