Re: Procedures

On Wed, 5 Aug 2020 at 20:18, Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> On Tue, Aug 4, 2020 at 10:33:49AM +0000, PG Doc comments form wrote:
> > The following documentation comment has been logged on the website:
> >
> > Page: https://www.postgresql.org/docs/11/sql-createprocedure.html
> > Description:
> >
> > The information on procedures could helpfully include that the feature is
> > new from PostgreSQL 11 and give an explanation of how it differs from
> > functions. I found the information I needed here
> > https://dba.stackexchange.com/a/262662, but I think it would really
> benefit
> > others if the information was provided in the official documentation.
>
> We don't normally mention what release added a features. However, I do
> see your problem with finding that procedures can issue transaction
> control statements. I see this for procedures:
>
> https://www.postgresql.org/docs/12/xproc.html
>
> but that has no mention of transactions, just a mention of using CALL,
> then this pl/pgSQL section about transaction control mentions CALL:
>
> https://www.postgresql.org/docs/12/plpgsql-transactions.html
>
> Is this what you think needs improving?
>
> Neither of those places mention that procedures cannot be called inside a
transaction.
So ya I think there there is some room for improvement

Dave Cramer
www.postgres.rocks