Re: [GENERAL] Retrieving query results

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От Igor Korot
Тема Re: [GENERAL] Retrieving query results
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Msg-id CA+FnnTwY0mZ1cO8hhBW2sOOGjXaVqfhECUKL6S_cZ6z2LUfcQw@mail.gmail.com
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Ответ на Re: [GENERAL] Retrieving query results  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: [GENERAL] Retrieving query results
Список pgsql-general
Michael et al,

On Thu, Aug 24, 2017 at 6:57 PM, Michael Paquier
<michael.paquier@gmail.com> wrote:
> On Thu, Aug 24, 2017 at 11:56 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> I haven't tried it, but it sure looks like it would, if you don't hit
>> OOM first.  pqAddTuple() isn't doing anything to guard against integer
>> overflow.  The lack of reports implies that no one has ever tried to
>> retrieve even 1G rows, let alone more ...
>
> Yeah, looking at the code we would just need to check if ntups gets
> negative (well, equal to INT_MIN) after being incremented.

So there is no way to retrieve an arbitrary number of rows from the query?
That sucks...

Thank you.

> --
> Michael


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