Re: SQL with connections to multiple databases

Do you need to disconnect from the remote DB? You can be connected to
multiple machines concurrently, and just switch between connections with

SET CONNECTION server name;

If you need to disconnect first, try

DISCONNECT CURRENT;
CONNECT server name;

If you are maintaining your connection to the local server and just want to
disconnect the remote you can try

DISCONNECT CURRENT;
SET CONNECTION server name;

Make sure you check for errors. If SET CONNECTION indicates that the
connection does not exist, you will need to fall back to CONNECT.

I have used CONNECT RESET when I have somehow lost my connection.

Not all CONNECT's are created equal. The above only applies to Distributed
Unit of Work. More info can be found here
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_71/db2/rbafzrcncdif.htm

On Wed, Nov 29, 2017 at 11:16 AM, John R. Smith, Jr. <
smith5646midrange@xxxxxxxxx> wrote:

Dave,

Are you guys saying that I am fighting with a known problem and it isn't
just something that I'm doing wrong?



-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
dlclark@xxxxxxxxxxxxxxxx
Sent: Wednesday, November 29, 2017 10:39 AM
To: RPG programming on the IBM i (AS/400 and iSeries)
<rpg400-l@xxxxxxxxxxxx>
Subject: Re: SQL with connections to multiple databases

"RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx> wrote on 11/28/2017 07:00:24
PM:

If you want to release a connection to a remote DB I would suggest

creating

a program that runs in a *new activation group (say program X).
Program

X

may call other programs that may establish remote connections. But
when program X returns control to its caller, all the resources
associated

with

program X's activation group will be released, including "remote
connections".

I believe that Dieter Bender alluded to this idea a couple weeks ago.

Have

you tried it?

Yes, he made that suggestion to me and I did try it. But, in my
case, it did not help -- though I fully expected it to help. Logically, it
made sense that being in a different activation group *should* have meant
that I would get the default database connection. But, I did not.
Even though I went to IBM with the issue even they never resolved it. I
ended up resolving my own situation in a completely different way -- though
I am expecting the original problem to come back and bite me some day in
the
future.


Sincerely,

Dave Clark
--
int.ext: 91078
direct: (937) 531-6378
home: (937) 751-3300

Winsupply Group Services
3110 Kettering Boulevard
Dayton, Ohio 45439 USA
(937) 294-5331




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