Re: Procedures

po 24. 8. 2020 v 17:01 odesílatel Bruce Momjian <bruce(at)momjian(dot)us> napsal:

> On Sat, Aug 22, 2020 at 01:21:43PM -0700, David G. Johnston wrote:
> > On Sat, Aug 22, 2020 at 10:14 AM Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> >
> > On Fri, Aug 21, 2020 at 07:42:35PM -0700, David G. Johnston wrote:
> >
> > > [...] the CALL command. If the CALL command is not part of an
> explicit
> > > transaction a procedure can also manage multiple transactions
> during its
> > > execution.
> >
> > OK, how is this updated patch?
> >
> >
> > Looks good. I felt "begin and commit" was a bit wordy but it works.
>
> So, I was worried that "manage multiple transactions" could imply
> something like savepoints, which can be managed by functions. It is
> really the top-level begin/commit that is unique for procedures.
>

Functions is executed under outer transaction every time - rollback to save
point hasn't impact on outer transaction. Inside procedures (in special
case) can be transactions ended (by statements COMMIT or ROLLBACK).
Immediately is started new transaction.

>
> --
> Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
> EnterpriseDB https://enterprisedb.com
>
> The usefulness of a cup is in its emptiness, Bruce Lee
>
>
>
>