Konstantin Izmailov <pgfizm(at)gmail(dot)com> writes:
> My application creates/uses a temporary table "X" via multiple
> connections at the same time. Is there a way to determine which
> pg_temp_N belongs to the current connection?
It seems unlikely that you need to determine that explicitly to solve
your problem. Just use WHERE C.oid = 'X'::regclass to constrain the
pg_class query, and forget matching to the schema name at all.
regards, tom lane