| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Robin Abbi <robin(dot)abbi(at)downley(dot)net>, Dave Cramer <davecramer(at)postgres(dot)rocks>, Pg Docs <pgsql-docs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Procedures |
| Date: | 2020-08-31 17:20:19 |
| Message-ID: | 20200831172019.GG13613@momjian.us |
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| Lists: | pgsql-docs |
On Tue, Aug 25, 2020 at 03:03:13PM -0400, Bruce Momjian wrote:
> On Tue, Aug 25, 2020 at 08:38:11PM +0200, Peter Eisentraut wrote:
> > On 2020-08-24 18:00, Bruce Momjian wrote:
> > > - command, a procedure is called explicitly using
> > > - the <xref linkend="sql-call"/> statement.
> > > + command, a procedure is called in isolation using
> > > + the <xref linkend="sql-call"/> command. If the CALL command is not
> > > + part of an explicit transaction, a procedure can commit, rollback,
> > > + and begin new transactions during its execution, which is not possible
> > > + in functions.
> >
> > There are additional conditions for when a procedure can do transaction
> > control, and it also depends on the language. It's not clear how much
> > detail we should give in a general section like this. Often people read
> > this and then wonder why it doesn't work.
>
> I have updated the patch to mention it is dependend on the server-side
> language.
Patch applied back through PG 11.
--
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
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