RE: Conditional Commit with Embedded SQL -- RPG400-L

So this would be something like:

If parmCommit = '0'; // no commit control
EXEC SQL SET TRANSACTION ISOLATION LEVEL NO COMMIT;
Else; // yes commitment control
EXEC SQL SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
EndIf;

This would be required before each insert, update or delete statement?

I don't understand the differences between the options READ COMMITTED, REPEATABLE READ and SERIALIZABLE.

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Charles Wilt
Sent: Thursday, September 22, 2022 10:39 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Conditional Commit with Embedded SQL

With dynamic SQL, ...just add the appropriate WITH xxx clause at the end of the statement..

With static SQL or dynamic SQL, you can use the SET TRANSACTION statement to change the commitment level at run-time.

HTH,
Charles

On Thu, Sep 22, 2022 at 7:51 AM Jack Prucha <Jack.Prucha@xxxxxxx> wrote:

We have been using for years the F-Spec Commit keyword to
conditionally set on or off commitment control. In some cases a web
process using commitment control executes programs via a stored
procedure which passes a '1' in a parameter list to turn on commitment
control. Green screen programs not using commitment control call the
same program with that parameter set to '0'. The called program opens
the files with commitment control turned on or off.

Now, we have a new RPG program using embedded SQL Insert and Update. Is
there some straightforward way to set commitment control on or off at
execution time?

TIA

Jack Prucha
NCSP529 Programming Team Supervisor

College Foundation, Inc.

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