Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On ons, 2012-03-07 at 17:14 -0500, Tom Lane wrote:
>> I said it was a reasonable alternative, not that it was the only one
>> we should consider. The behavior of .nrows() might be accidental,
>> but perhaps it is a preferable model to adopt.
> After pondering this for several days now I still think the best
> approach is to change .nrows() to return None for utility commands and
> have the other metadata functions throw exceptions.
OK, I don't have strong feelings about it.
regards, tom lane