Holger Jakobs wrote:
> Calling a procedure is a statement as well, and it includes all other
> procedures called from this procedure. So the statement level is always
> the statements that were carried out directly in the transaction. If
> anything within one statement fails, the statement was not carried out
> and must not have any effect. It is not important whether the procedure
> was fired by a trigger or called by another procedure.
So you define the smalles unit being one single statement as issued by
the client application and receiving one single returncode over the
frontend/backend protocol.
That's almost what people think of as subtransactions. I think if we
ever implement them, we will have some session setting that lets the
backend behave like that and your needs will be satisfied.
Jan
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