Re: Procedures - Mailing list pgsql-docs

From Bruce Momjian
Subject Re: Procedures
Date
Msg-id 20200825190313.GE26852@momjian.us
Whole thread Raw
In response to Re: Procedures  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Responses Re: Procedures  (Bruce Momjian <bruce@momjian.us>)
List pgsql-docs
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.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee


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