Re: "could not open relation 1663/16384/16584: No such file or directory" in a specific combination of transactions with temp tables

Tom Lane wrote:
> "Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> > John Smith wrote:
> >> [3] I am not certain how widespread they might be, but I think there
> >> may be some backward compatibility concerns with the patch you are
> >> proposing.
> 
> > Well, the current behavior is certainly broken, so an application 
> > relying on it is in trouble anyway :-(. Even if we came up with a patch 
> > for 8.4 to relax the limitation, I doubt it would be safe enough to 
> > backport to stable branches.
> 
> As Heikki pointed out later, PG 8.1 correctly enforces the restriction
> against preparing a transaction that has dropped a temp table.  It's
> only 8.2.x and 8.3.0 that (appear to) allow this.  So I'm not persuaded
> by backwards-compatibility arguments.
> 
> I've applied Heikki's new patch, and I think that's as much as we can do
> for 8.2 and 8.3.  Any improvement in the functionality would be new
> development (and not trivial development, either) for 8.4 or later.

Is there a TODO here?

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