RE: Error Handling in SQLRPGLE Programs

["Haas, Matt" <Matt.Haas@xxxxxxxxxxxxxxxxxxx>]

A few other points on this:

- IBM is now recommending that you use SQLSTT (I think mostly because of ANSI 
compliance).
- There were changes in V5R1 to what some of the SQLCOD's meant that may break 
older code. I seem to recall that they were more esoteric types of problems 
but...
- You can get a list of SQLCOD's and SQLSTT's for V5R1 at 
http://publib.boulder.ibm.com/iseries/v5r1/ic2924/index.htm?info/rzahf/rzahfli0.htm.
 I would guess that you can get this in the Information Center for older 
versions as well.

Matt

-----Original Message-----
From: Andrew Lutz [mailto:andrew.lutz@pmigroup.com]
Sent: Friday, October 18, 2002 11:19 AM
To: rpg400-l@midrange.com
Subject: RE: Error Handling in SQLRPGLE Programs



I started using SQLCOD because it was more comfortable (i.e. MSGF
etc...)

But I soon discovered that there are errors that are not covered by
SQLCOD that are covered by SQLSTT (can't remember which ones at this
moment).

So here is my advice always, ALWAYS test SQLSTT.  But, utilize the
SQLCOD to build those unexpected or expected messages.

Another plug for SQLSTT, which is ANSI compliant, let's say your client
(receiver of error message) isn't on the AS/400, SQLCOD is very foreign.



-----Original Message-----
From: BrgttHsr@aol.com [mailto:BrgttHsr@aol.com]
Sent: Friday, October 18, 2002 8:10 AM
To: rpg400-l@midrange.com
Subject: Re: Error Handling in SQLRPGLE Programs

--
[ Picked text/plain from multipart/alternative ]
Hi Bob,

SQLCOD 1-99 are warnings
SQLCOD < 0   are SQL-Errors.

If I want to display a SQL-Error-Message, I use the following trick:
All SQL-Messages are in the QSQLMSG Message-File
The Message-Id of an SQL-Error is SQL + absolute value of SQLCOD.
(SQLCOD -302 --> 'SQL0302')

On the other hand I wouldn't use WHENEVER, i prefere a simple IF in my
RPG-Program:

C                   Do       *HiVal

C/EXEC SQL
C+ Fetch SqlSKR into :DS_SQLSK
c/END-EXEC

C                   if        SQLCOD      = 100
C                   leave
C                   endif

C                   if        SQLCOD      < 0
C                   eval      MsgId      = 'CPF9898'
C                   eval      MsgTxt    = RtvSqlMsg(SQLCOD)
C                   exsr     SndPgmMsg
C                   leave
C                   endif

I hope that helps

Birgitta Hauser

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