"Sriram Dandapani" <sdandapani(at)counterpane(dot)com> writes:
> I tried your code with the lock table followed by drop.
> The lock table goes into a wait state AND all INSERTS (even new ones
> coming in) go into a wait state.
Well, it's waiting for something. Try looking in pg_locks to see which
transaction is blocking it.
regards, tom lane