Re: Nested Transactions, Abort All

On Thu, 2004-07-01 at 22:14, Tom Lane wrote:
> Mike Benoit <ipso@snappymail.ca> writes:
> > On Thu, 2004-07-01 at 18:38 -0400, Alvaro Herrera wrote:
> >> If we change the syntax, say by using SUBCOMMIT/SUBABORT for
> >> subtransactions, then using a simple ABORT would abort the whole
> >> transaction tree.
> 
> > But then we're back to the application having to know if its in a
> > regular transaction or a sub-transaction aren't we? To me that sounds
> > just as bad. 
> 
> Someone (I forget who at this late hour) gave several cogent arguments
> that that's *exactly* what we want.  Please see the prior discussion...
> 
> Right at the moment I think we have a consensus that we should use
> SUBBEGIN/SUBEND or some such keywords for subtransactions.  (I do not
> say we've agreed to exactly those keywords, only that it's a good idea
> to make them different from the outer-level BEGIN/END keywords.)
> 
> There was also some talk of offering commands based around the notion of
> savepoints, but I'm not sure that we have a consensus on that yet.

Aren't subtransactions and their syntax defined by the SQL spec
somewhere?