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

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От Tom Lane
Тема Re: Fix PL/Python metadata when there is no result
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Msg-id 20477.1331158442@sss.pgh.pa.us
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Ответ на Re: Fix PL/Python metadata when there is no result  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: Fix PL/Python metadata when there is no result
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Peter Eisentraut <peter_e@gmx.net> writes:
> On ons, 2012-03-07 at 16:49 -0500, Tom Lane wrote:
>> Still, it seems rather arbitrary to say that the row count property is
>> the thing to test for that purpose and no other is.  Why not return None
>> for any property that's not sensible?

> Hmm, above you said you were in favor of throwing an error rather than
> returning None?

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.
        regards, tom lane


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