Jon Nelson <jnelson+pgsql(at)jamponi(dot)net> writes:
> On Tue, Feb 28, 2012 at 2:51 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Hmph ... does seem a bit weird. Can you turn on log_statements and
>> identify which operations aren't using the session values?
> I had log_min_duration_statement = 1000.
That's not really going to prove much, as you won't be able to see any
commands that might be setting or resetting the work_mem parameters.
> ... which is the ORM library (SQLAlchemy) doing a reflection of the
> table(s) involved.
Oh, there's an ORM involved? I'll bet a nickel it's doing something
surprising, like not issuing your SET until much later than you thought.
regards, tom lane