Ted Toth <txtoth(at)gmail(dot)com> writes:
> So it's an optimization to reuse existing but currently unused temp
> schemas, correct?
Exactly. We could just destroy and recreate the old temp schema,
but that seems to lead to useless catalog churn. Instead we just
destroy any old contents, if there's an existing temp schema in
the slot assigned to the current backend.
regards, tom lane