Re: Nested Transactions, Abort All - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Nested Transactions, Abort All
Date
Msg-id 200407120040.i6C0eJm19889@candle.pha.pa.us
Whole thread Raw
In response to Re: Nested Transactions, Abort All  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
List pgsql-hackers
Alvaro Herrera wrote:
> On Sun, Jul 11, 2004 at 03:15:46PM -0700, Josh Berkus wrote:
> 
> > For that matter:
> > 
> > begin;
> >     savepoint;
> >         select 0/0;  -- abort
> >         savepoint;  -- commands will be ignored
> >             select 1; -- commands will be ignored
> >         release; -- commands will be ignored
> >     release; -- abort main xact 'cause we didn't rollback
> > commit; -- abort message
> > 
> > Is the above more or less correct, Alvaro?
> 
> Save a minor detail.  It would be
> 
> begin;
>     savepoint;
>         select 0/0;  -- abort
>         savepoint;  -- commands will be ignored
>         select 1; -- commands will be ignored
>         release; -- commands will be ignored
>         release; -- commands will be ignored
> commit; -- abort message
> 
> Note that I'm trying to tell you something with the indenting; all those
> commands are inside one and the same subtransaction.
> 
> And I'm not planning to do anonymous savepoint.  Do these buy us
> anything?

Don't bother if you can do named ones.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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