Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> Hmm, nope -- take away the relnamespace check, because there is a
> different namespace for each backend (pg_temp_2, pg_temp_3, etc). And
> as far as I've seen, most leftover temp tables are on "high" temp
> schemas (i.e. those belonging to backends that are only used when the
> load is high).
Yeah, because the low-numbered ones get recycled first. To have a temp
table survive for long enough to create this problem, it's pretty much
got to be in a high-numbered temp schema.
regards, tom lane