Stored Procedures

[Gade_R_Reddy@xxxxxxxxxxxxxxxxxx]

Hello everybody,

Could somebody please explain why do we need stored procedures & is there
any way we can execute a stored procedure from command line??.

Appreciate if can give me a simple example.

Thanks.





bmorris@ca.ibm.com@midrange.com on 03/10/2000 08:43:09 AM

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To:   RPG400-L@midrange.com
cc:
Subject:  Re: Indicator enhancements





>Date: Thu, 09 Mar 2000 15:39:27 -0600
>From: Gary Guthrie <GaryGuthrie@home.com>
> ...
>
>Here's a couple of examples code snippets. You tell me which is more
>intuitive as you're just reading through code.
>
>Example A:
> ...
>C              When     RtnCode > 0
> ...
>Example B:
> ...
>C              When     RtnCode = ExistingCust
> ...
>Maybe we need an IS construct. (Example C)
>
>C              When     RtnCode Is ExistingCust
> ...

There are 2 things needing to be expressed here:
 1. The return code represents an existing customer (ex. B and
    C do this well)
 2. The return code is being compared to a class of return codes,
    not an exact return code (ex. A and C do this well)

I agree that RtnCode > 0 is not ideal, but a line of documentation
can help.  To make it self-documenting, it could be expressed this
way (and also allow for any number of classes of return codes):
      ---------------------------------------
     | When   RtnCode >= minExistingCust and |
     |        RtnCode <= maxExistingCust     |
      ---------------------------------------
but I think I'd rather go with either of these which (I think)
express exactly what is happening:
      ---------------------------------
     | When   isExistingCust (RtnCode) |
      ---------------------------------
or
      -------------------------------------------
     | When rtnCode = ExistingCust               |
     |    Select                                 |
     |      When   extraRcInfo = accountExpired  |
      -------------------------------------------

express exactly what is happening.

Barbara Morris


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