Peter Eisentraut <pete...@gmx.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

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