Re: slru.c race condition

jnasby@pervasive.com ("Jim C. Nasby") writes:

> On Tue, Nov 01, 2005 at 11:23:55AM -0300, Alvaro Herrera wrote:
>> Tom Lane wrote:
>> > "Jim C. Nasby" <jnasby@pervasive.com> writes:
>> > > AFAIK they're not using subtransactions at all, but I'll check.
>> > 
>> > Well, yeah, they are ... else you'd never have seen this failure.
>> 
>> Maybe it's in plpgsql EXCEPTION clauses.
>
> Err, I forgot they're using Slony, which is probably using savepoints
> and/or exceptions.

Slony-I does use exceptions in pretty conventional ways; it does *not*
make any use of subtransactions, because it needs to run on PG 7.3 and
7.4 that do not support subtransactions.
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