Re: Fix PL/Python metadata when there is no result

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter_e@gmx.net>
Cc: Jean-Baptiste Quenot <jbq@caraldi.com>, pgsql-hackers@postgresql.org
Date: 2012-03-24T20:24:29Z
Lists: pgsql-hackers
Peter Eisentraut <peter_e@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