Simon Riggs wrote:
> On Tue, 2008-04-22 at 18:13 -0400, Alvaro Herrera wrote:
> > Simon Riggs wrote:
> >
> > > OK, so it can;t be copied to a longer lived memory context?
> >
> > If you need that ability, please explain.
>
> No, I wish to prevent that, not enable it.
I see. Sure, we don't have that problem. In fact, we didn't have it
before either, so I'm not sure I see your point :-)
> Perhaps put the TransactionId on each snapshot and then an Assert can
> check it before its used.
There's no need for that -- all snapshots go away at transaction end.
An attempt to use one would cause a prompt crash (at least on an
assert-enabled build.)
--
Alvaro Herrera
http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 sup****t
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