alvherre@postgresql.org (Alvaro Herrera) writes:
> Log Message:
> -----------
> Change error message to be able to differentiate the two cases. Per suggestion
> from Jaime Casanova.
This should be back-patched into 8.3. By the time 8.4 comes out, we'll
already have had to work out any kinks for which making this distinction
would be useful.
regards, tom lane