Re: [BUGS] Out of memory error causes Abort, Abort tries

On Wed, 2006-11-22 at 21:41 -0500, Tom Lane wrote:
> I wrote:
> > Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> >> Wasteful how? Do you mean that it would clutter the code, or that it
> >> would cause unnecessary overhead?
>
> > Well, it'd be an extra however-many-KB of memory for each backend that
> > would mostly go unused. The rest of a backend's working memory pretty
> > much pulls its weight, but a TransactionAbortContext wouldn't. OTOH,
> > maybe these days a few dozen KB isn't worth worrying about.
>
> After further thought I concluded that overloading ErrorContext for this
> purpose is way too risky, so I've committed changes that create a
> separate context for AbortTransaction to use:
> http://archives.postgresql.org/pgsql-committers/2006-11/msg00199.php
>
> I think the patch would apply cleanly to 8.1 but have not got time to
> check it now. Less sure about older branches. Are we excited about
> trying to back-patch this? I think it'd really need rather more testing
> before I'd want to stick it into the stable branches ...
>

Everything in the patch makes sense to me, and it certainly solved my
test case.

I'm just fine with the fix only in 8.2. I can work around it until I can
upgrade.

Thanks!
Jeff Davis